---
_id: '17670'
abstract:
- lang: eng
text: The statistics of peak counts in reconstructed shear maps contain information
beyond the power spectrum, and can improve cosmological constraints from measurements
of the power spectrum alone if systematic errors can be controlled. We study the
effect of galaxy shape measurement errors on predicted cosmological constraints
from the statistics of shear peak counts with the Large Synoptic Survey Telescope
(LSST). We use the LSST image simulator in combination with cosmological N-body
simulations to model realistic shear maps for different cosmological models. We
include both galaxy shape noise and, for the first time, measurement errors on
galaxy shapes. We find that the measurement errors considered have relatively
little impact on the constraining power of shear peak counts for LSST.
article_number: '49'
article_processing_charge: No
article_type: original
arxiv: 1
author:
- first_name: D.
full_name: Bard, D.
last_name: Bard
- first_name: J. M.
full_name: Kratochvil, J. M.
last_name: Kratochvil
- first_name: C.
full_name: Chang, C.
last_name: Chang
- first_name: M.
full_name: May, M.
last_name: May
- first_name: S. M.
full_name: Kahn, S. M.
last_name: Kahn
- first_name: Y.
full_name: AlSayyad, Y.
last_name: AlSayyad
- first_name: Z.
full_name: Ahmad, Z.
last_name: Ahmad
- first_name: J.
full_name: Bankert, J.
last_name: Bankert
- first_name: A.
full_name: Connolly, A.
last_name: Connolly
- first_name: R. R.
full_name: Gibson, R. R.
last_name: Gibson
- first_name: K.
full_name: Gilmore, K.
last_name: Gilmore
- first_name: E.
full_name: Grace, E.
last_name: Grace
- first_name: Zoltán
full_name: Haiman, Zoltán
id: 7c006e8c-cc0d-11ee-8322-cb904ef76f36
last_name: Haiman
- first_name: M.
full_name: Hannel, M.
last_name: Hannel
- first_name: K. M.
full_name: Huffenberger, K. M.
last_name: Huffenberger
- first_name: J. G.
full_name: Jernigan, J. G.
last_name: Jernigan
- first_name: L.
full_name: Jones, L.
last_name: Jones
- first_name: S.
full_name: Krughoff, S.
last_name: Krughoff
- first_name: S.
full_name: Lorenz, S.
last_name: Lorenz
- first_name: S.
full_name: Marshall, S.
last_name: Marshall
- first_name: A.
full_name: Meert, A.
last_name: Meert
- first_name: S.
full_name: Nagarajan, S.
last_name: Nagarajan
- first_name: E.
full_name: Peng, E.
last_name: Peng
- first_name: J.
full_name: Peterson, J.
last_name: Peterson
- first_name: A. P.
full_name: Rasmussen, A. P.
last_name: Rasmussen
- first_name: M.
full_name: Shmakova, M.
last_name: Shmakova
- first_name: N.
full_name: Sylvestre, N.
last_name: Sylvestre
- first_name: N.
full_name: Todd, N.
last_name: Todd
- first_name: M.
full_name: Young, M.
last_name: Young
citation:
ama: Bard D, Kratochvil JM, Chang C, et al. Effect of measurement errors on predicted
cosmological constraints from shear peak statistics with large synoptic survey
telescope. The Astrophysical Journal. 2013;774(1). doi:10.1088/0004-637x/774/1/49
apa: Bard, D., Kratochvil, J. M., Chang, C., May, M., Kahn, S. M., AlSayyad, Y.,
… Young, M. (2013). Effect of measurement errors on predicted cosmological constraints
from shear peak statistics with large synoptic survey telescope. The Astrophysical
Journal. American Astronomical Society. https://doi.org/10.1088/0004-637x/774/1/49
chicago: Bard, D., J. M. Kratochvil, C. Chang, M. May, S. M. Kahn, Y. AlSayyad,
Z. Ahmad, et al. “Effect of Measurement Errors on Predicted Cosmological Constraints
from Shear Peak Statistics with Large Synoptic Survey Telescope.” The Astrophysical
Journal. American Astronomical Society, 2013. https://doi.org/10.1088/0004-637x/774/1/49.
ieee: D. Bard et al., “Effect of measurement errors on predicted cosmological
constraints from shear peak statistics with large synoptic survey telescope,”
The Astrophysical Journal, vol. 774, no. 1. American Astronomical Society,
2013.
ista: Bard D, Kratochvil JM, Chang C, May M, Kahn SM, AlSayyad Y, Ahmad Z, Bankert
J, Connolly A, Gibson RR, Gilmore K, Grace E, Haiman Z, Hannel M, Huffenberger
KM, Jernigan JG, Jones L, Krughoff S, Lorenz S, Marshall S, Meert A, Nagarajan
S, Peng E, Peterson J, Rasmussen AP, Shmakova M, Sylvestre N, Todd N, Young M.
2013. Effect of measurement errors on predicted cosmological constraints from
shear peak statistics with large synoptic survey telescope. The Astrophysical
Journal. 774(1), 49.
mla: Bard, D., et al. “Effect of Measurement Errors on Predicted Cosmological Constraints
from Shear Peak Statistics with Large Synoptic Survey Telescope.” The Astrophysical
Journal, vol. 774, no. 1, 49, American Astronomical Society, 2013, doi:10.1088/0004-637x/774/1/49.
short: D. Bard, J.M. Kratochvil, C. Chang, M. May, S.M. Kahn, Y. AlSayyad, Z. Ahmad,
J. Bankert, A. Connolly, R.R. Gibson, K. Gilmore, E. Grace, Z. Haiman, M. Hannel,
K.M. Huffenberger, J.G. Jernigan, L. Jones, S. Krughoff, S. Lorenz, S. Marshall,
A. Meert, S. Nagarajan, E. Peng, J. Peterson, A.P. Rasmussen, M. Shmakova, N.
Sylvestre, N. Todd, M. Young, The Astrophysical Journal 774 (2013).
date_created: 2024-09-06T07:47:50Z
date_published: 2013-08-16T00:00:00Z
date_updated: 2024-09-25T08:04:49Z
day: '16'
doi: 10.1088/0004-637x/774/1/49
extern: '1'
external_id:
arxiv:
- '1301.0830'
fulldoi: https://doi.org/10.1088/0004-637x/774/1/49
intvolume: ' 774'
issue: '1'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: ' https://doi.org/10.48550/arXiv.1301.0830'
month: '08'
oa: 1
oa_version: Preprint
publication: The Astrophysical Journal
publication_identifier:
issn:
- 0004-637X
- 1538-4357
publication_status: published
publisher: American Astronomical Society
quality_controlled: '1'
scopus_import: '1'
status: public
title: Effect of measurement errors on predicted cosmological constraints from shear
peak statistics with large synoptic survey telescope
type: journal_article
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 774
year: '2013'
...
---
_id: '17671'
abstract:
- lang: eng
text: Galactic nuclei are expected to be densely populated with stellar and intermediate
mass black holes. Exploring this population will have important consequences for
the observation prospects of gravitational waves as well as understanding galactic
evolution. The gas cloud G2 currently approaching Sgr A* provides an unprecedented
opportunity to probe the black hole and neutron star population of the Galactic
nucleus. We examine the possibility of a G2-black hole encounter and its detectability
with current X-ray satellites, such as Chandra and NuSTAR. We find that multiple
encounters are likely to occur close to the pericenter, which may be detectable
upon favorable circumstances. This opportunity provides an additional, important
science case for leading X-ray observatories to closely follow G2 on its way to
the nucleus.
article_number: '221102'
article_processing_charge: No
article_type: original
arxiv: 1
author:
- first_name: Imre
full_name: Bartos, Imre
last_name: Bartos
- first_name: Zoltán
full_name: Haiman, Zoltán
id: 7c006e8c-cc0d-11ee-8322-cb904ef76f36
last_name: Haiman
- first_name: Bence
full_name: Kocsis, Bence
last_name: Kocsis
- first_name: Szabolcs
full_name: Márka, Szabolcs
last_name: Márka
citation:
ama: Bartos I, Haiman Z, Kocsis B, Márka S. Gas cloud G2 can illuminate the black
hole population near the galactic center. Physical Review Letters. 2013;110(22).
doi:10.1103/physrevlett.110.221102
apa: Bartos, I., Haiman, Z., Kocsis, B., & Márka, S. (2013). Gas cloud G2 can
illuminate the black hole population near the galactic center. Physical Review
Letters. American Physical Society. https://doi.org/10.1103/physrevlett.110.221102
chicago: Bartos, Imre, Zoltán Haiman, Bence Kocsis, and Szabolcs Márka. “Gas Cloud
G2 Can Illuminate the Black Hole Population near the Galactic Center.” Physical
Review Letters. American Physical Society, 2013. https://doi.org/10.1103/physrevlett.110.221102.
ieee: I. Bartos, Z. Haiman, B. Kocsis, and S. Márka, “Gas cloud G2 can illuminate
the black hole population near the galactic center,” Physical Review Letters,
vol. 110, no. 22. American Physical Society, 2013.
ista: Bartos I, Haiman Z, Kocsis B, Márka S. 2013. Gas cloud G2 can illuminate the
black hole population near the galactic center. Physical Review Letters. 110(22),
221102.
mla: Bartos, Imre, et al. “Gas Cloud G2 Can Illuminate the Black Hole Population
near the Galactic Center.” Physical Review Letters, vol. 110, no. 22, 221102,
American Physical Society, 2013, doi:10.1103/physrevlett.110.221102.
short: I. Bartos, Z. Haiman, B. Kocsis, S. Márka, Physical Review Letters 110 (2013).
date_created: 2024-09-06T07:48:38Z
date_published: 2013-05-30T00:00:00Z
date_updated: 2024-09-25T08:25:00Z
day: '30'
doi: 10.1103/physrevlett.110.221102
extern: '1'
external_id:
arxiv:
- '1302.3220'
fulldoi: https://doi.org/10.1103/physrevlett.110.221102
intvolume: ' 110'
issue: '22'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: ' https://doi.org/10.48550/arXiv.1302.3220'
month: '05'
oa: 1
oa_version: Preprint
publication: Physical Review Letters
publication_identifier:
issn:
- 0031-9007
- 1079-7114
publication_status: published
publisher: American Physical Society
quality_controlled: '1'
scopus_import: '1'
status: public
title: Gas cloud G2 can illuminate the black hole population near the galactic center
type: journal_article
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 110
year: '2013'
...
---
_id: '17677'
abstract:
- lang: eng
text: 'Peaks in two-dimensional weak lensing (WL) maps contain significant cosmological
information, complementary to the WL power spectrum. This has recently been demonstrated
using N-body simulations which neglect baryonic effects. Here we employ ray-tracing
N-body simulations in which we manually steepen the density profile of each dark
matter halo, mimicking the cooling and concentration of baryons into dark matter
potential wells. We find, in agreement with previous works, that this causes a
significant increase in the amplitude of the WL power spectrum on small scales
(spherical harmonic index l>1,000). We then study the impact of the halo concentration
increase on the peak counts, and find the following. (i) Low peaks (with convergence
0.02 < kappa_peak < 0.08), remain nearly unaffected. These peaks are created by
a constellation of several halos with low masses (10^12-10^13 M_sun) and large
angular offsets from the peak center (> 0.5 R_vir); as a result, they are insensitive
to the central halo density profiles. These peaks contain most of the cosmological
information, and thus provide an unusually sensitive and unbiased probe. (ii)
The number of high peaks (with convergence kappa_peak > 0.08) is increased. However,
when the baryon effects are neglected in cosmological parameter estimation, then
the high peaks lead to a modest bias, comparable to that from the power spectrum
on relatively large-scales (l<2000), and much smaller than the bias from the power
spectrum on smaller scales (l>2,000). (iii) In the 3D parameter space (sigma_8,
Omega_m, w), the biases from the high peaks and the power spectra are in different
directions. This suggests the possibility of "self-calibration": the combination
of peak counts and power spectrum can simultaneously constrain baryonic physics
and cosmological parameters.'
article_number: '023511'
article_processing_charge: No
article_type: original
arxiv: 1
author:
- first_name: Xiuyuan
full_name: Yang, Xiuyuan
last_name: Yang
- first_name: Jan M.
full_name: Kratochvil, Jan M.
last_name: Kratochvil
- first_name: Kevin
full_name: Huffenberger, Kevin
last_name: Huffenberger
- first_name: Zoltán
full_name: Haiman, Zoltán
id: 7c006e8c-cc0d-11ee-8322-cb904ef76f36
last_name: Haiman
- first_name: Morgan
full_name: May, Morgan
last_name: May
citation:
ama: 'Yang X, Kratochvil JM, Huffenberger K, Haiman Z, May M. Baryon impact on weak
lensing peaks and power spectrum: Low-bias statistics and self-calibration in
future surveys. Physical Review D. 2013;87(2). doi:10.1103/physrevd.87.023511'
apa: 'Yang, X., Kratochvil, J. M., Huffenberger, K., Haiman, Z., & May, M. (2013).
Baryon impact on weak lensing peaks and power spectrum: Low-bias statistics and
self-calibration in future surveys. Physical Review D. American Physical
Society. https://doi.org/10.1103/physrevd.87.023511'
chicago: 'Yang, Xiuyuan, Jan M. Kratochvil, Kevin Huffenberger, Zoltán Haiman, and
Morgan May. “Baryon Impact on Weak Lensing Peaks and Power Spectrum: Low-Bias
Statistics and Self-Calibration in Future Surveys.” Physical Review D.
American Physical Society, 2013. https://doi.org/10.1103/physrevd.87.023511.'
ieee: 'X. Yang, J. M. Kratochvil, K. Huffenberger, Z. Haiman, and M. May, “Baryon
impact on weak lensing peaks and power spectrum: Low-bias statistics and self-calibration
in future surveys,” Physical Review D, vol. 87, no. 2. American Physical
Society, 2013.'
ista: 'Yang X, Kratochvil JM, Huffenberger K, Haiman Z, May M. 2013. Baryon impact
on weak lensing peaks and power spectrum: Low-bias statistics and self-calibration
in future surveys. Physical Review D. 87(2), 023511.'
mla: 'Yang, Xiuyuan, et al. “Baryon Impact on Weak Lensing Peaks and Power Spectrum:
Low-Bias Statistics and Self-Calibration in Future Surveys.” Physical Review
D, vol. 87, no. 2, 023511, American Physical Society, 2013, doi:10.1103/physrevd.87.023511.'
short: X. Yang, J.M. Kratochvil, K. Huffenberger, Z. Haiman, M. May, Physical Review
D 87 (2013).
date_created: 2024-09-06T08:03:51Z
date_published: 2013-01-14T00:00:00Z
date_updated: 2024-09-25T08:50:09Z
day: '14'
doi: 10.1103/physrevd.87.023511
extern: '1'
external_id:
arxiv:
- '1210.0608'
fulldoi: https://doi.org/10.1103/physrevd.87.023511
intvolume: ' 87'
issue: '2'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: ' https://doi.org/10.48550/arXiv.1210.0608'
month: '01'
oa: 1
oa_version: Preprint
publication: Physical Review D
publication_identifier:
issn:
- 1550-7998
- 1550-2368
publication_status: published
publisher: American Physical Society
quality_controlled: '1'
scopus_import: '1'
status: public
title: 'Baryon impact on weak lensing peaks and power spectrum: Low-bias statistics
and self-calibration in future surveys'
type: journal_article
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 87
year: '2013'
...
---
_id: '17683'
abstract:
- lang: eng
text: When a sufficiently massive satellite (or secondary) black hole is embedded
in a gas disc around a (primary) supermassive black hole, it can open an empty
gap in the disc. A gap-opening secondary close to the primary will leave an imprint
in the broad component of the Fe Kα emission line, which varies in a unique and
predictable manner. If the gap persists into the innermost disc, the effect consists
of a pair of dips in the broad line which ripple blue-ward and red-ward from the
line centroid energy, respectively, as the gap moves closer to the primary. This
ripple effect could be unambiguously detectable and allow an electromagnetic monitoring
of massive black hole mergers as they occur. As the mass ratio of the secondary
to primary black hole increases to q ≳ 0.01, we expect the gap to widen, possibly
clearing a central cavity in the inner disc, which shows up in the broad Fe Kα
line component. If the secondary stalls at ≥ 102rg in its in-migration, due to
low corotating gas mass, a detectable ripple effect occurs in the broad line component
on the disc viscous time-scale as the inner disc drains and the outer disc is
dammed. If the secondary maintains an accretion disc within a central cavity,
due to dam bursting or leakage, a periodic ‘see-saw’ oscillation effect is exhibited
in the observed line profile. Here, we demonstrate the range of ripple effect
signatures potentially detectable with Astro-H and IXO/Athena, and oscillation
effects potentially detectable with XMM–Newton or LOFT for a wide variety of merger
and disc conditions, including gap width (or cavity size), disc inclination angle
and emissivity profile, damming of the accretion flow by the secondary, and a
minidisc around the satellite black hole. A systematic study of ripple effects
would require a telescope effective area substantially larger than that planned
for IXO/Athena. Future mission planning should take this into account. Observations
of the ripple effect and periodic oscillations can be used to provide an early
warning of gravitational radiation emission from the AGN. Once gravitational waves
consistent with massive black hole mergers are detected, an archival search for
the Fe Kα ripple effect or periodic oscillations will help in localizing their
origin.
article_processing_charge: No
article_type: original
author:
- first_name: B.
full_name: McKernan, B.
last_name: McKernan
- first_name: K. E. S.
full_name: Ford, K. E. S.
last_name: Ford
- first_name: B.
full_name: Kocsis, B.
last_name: Kocsis
- first_name: Zoltán
full_name: Haiman, Zoltán
id: 7c006e8c-cc0d-11ee-8322-cb904ef76f36
last_name: Haiman
citation:
ama: McKernan B, Ford KES, Kocsis B, Haiman Z. Ripple effects and oscillations in
the broad Fe Kα line as a probe of massive black hole mergers. Monthly Notices
of the Royal Astronomical Society. 2013;432(2):1468-1482. doi:10.1093/mnras/stt567
apa: McKernan, B., Ford, K. E. S., Kocsis, B., & Haiman, Z. (2013). Ripple effects
and oscillations in the broad Fe Kα line as a probe of massive black hole mergers.
Monthly Notices of the Royal Astronomical Society. Oxford University Press.
https://doi.org/10.1093/mnras/stt567
chicago: McKernan, B., K. E. S. Ford, B. Kocsis, and Zoltán Haiman. “Ripple Effects
and Oscillations in the Broad Fe Kα Line as a Probe of Massive Black Hole Mergers.”
Monthly Notices of the Royal Astronomical Society. Oxford University Press,
2013. https://doi.org/10.1093/mnras/stt567.
ieee: B. McKernan, K. E. S. Ford, B. Kocsis, and Z. Haiman, “Ripple effects and
oscillations in the broad Fe Kα line as a probe of massive black hole mergers,”
Monthly Notices of the Royal Astronomical Society, vol. 432, no. 2. Oxford
University Press, pp. 1468–1482, 2013.
ista: McKernan B, Ford KES, Kocsis B, Haiman Z. 2013. Ripple effects and oscillations
in the broad Fe Kα line as a probe of massive black hole mergers. Monthly Notices
of the Royal Astronomical Society. 432(2), 1468–1482.
mla: McKernan, B., et al. “Ripple Effects and Oscillations in the Broad Fe Kα Line
as a Probe of Massive Black Hole Mergers.” Monthly Notices of the Royal Astronomical
Society, vol. 432, no. 2, Oxford University Press, 2013, pp. 1468–82, doi:10.1093/mnras/stt567.
short: B. McKernan, K.E.S. Ford, B. Kocsis, Z. Haiman, Monthly Notices of the Royal
Astronomical Society 432 (2013) 1468–1482.
date_created: 2024-09-06T08:18:32Z
date_published: 2013-05-02T00:00:00Z
date_updated: 2024-09-25T09:13:00Z
day: '02'
doi: 10.1093/mnras/stt567
extern: '1'
fulldoi: https://doi.org/10.1093/mnras/stt567
intvolume: ' 432'
issue: '2'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://doi.org/10.1093/mnras/stt567
month: '05'
oa: 1
oa_version: Published Version
page: 1468-1482
publication: Monthly Notices of the Royal Astronomical Society
publication_identifier:
issn:
- 0035-8711
- 1365-2966
publication_status: published
publisher: Oxford University Press
quality_controlled: '1'
scopus_import: '1'
status: public
title: Ripple effects and oscillations in the broad Fe Kα line as a probe of massive
black hole mergers
type: journal_article
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 432
year: '2013'
...
---
_id: '17684'
abstract:
- lang: eng
text: We have performed cosmo-hydro simulations using the RAMSES code to study atomic
cooling (ACHs) haloes at z=10 with masses 5E7Msun<~M<~2E9Msun. We assume primordial
gas and H2-cooling and prior star-formation have been suppressed. We analysed
19 haloes (gas and DM) at a resolution of ~10 (proper) pc, selected from a total
volume of ~2E3 (comoving) Mpc3. This is the largest statistical hydro-sim. study
of ACHs at z>10 to date. We examine the morphology, angular momentum (AM), thermodynamic,
and turbulence of these haloes, in order to assess the prevalence of disks and
supermassive black holes (SMBHs). We find no correlation between either the magnitude
or the direction of the AM of the gas and its parent DM halo. Only 3 haloes form
rotationally supported cores. Two of the most massive haloes form massive, compact
overdense blobs. These blobs have an accretion rate ~0.5 Msun/yr (at a distance
of 100 pc), and are possible sites of SMBH formation. Our results suggest that
the degree of rotational support and the fate of the gas in a halo is determined
by its large-scale environment and merger history. In particular, the two haloes
forming blobs are located at knots of the cosmic web, cooled early on, and experienced
many mergers. The gas in these haloes is lumpy and highly turbulent, with Mach
N. >~ 5. In contrast, the haloes forming rotationally supported cores are relatively
more isolated, located midway along filaments, cooled more recently, and underwent
fewer mergers. Thus, the gas in these haloes is less lumpy and less turbulent
(Mach <~ 4), and could retain most of its AM. The remaining 14 haloes have intermediate
properties. If verified in a larger sample of haloes and with additional physics,
our results will have implications for observations of the highest-redshift galaxies
and quasars with JWST.
article_processing_charge: No
article_type: original
author:
- first_name: Joaquin
full_name: Prieto, Joaquin
last_name: Prieto
- first_name: Raul
full_name: Jimenez, Raul
last_name: Jimenez
- first_name: Zoltán
full_name: Haiman, Zoltán
id: 7c006e8c-cc0d-11ee-8322-cb904ef76f36
last_name: Haiman
citation:
ama: 'Prieto J, Jimenez R, Haiman Z. Gas infall into atomic cooling haloes: On the
formation of protogalactic discs and supermassive black holes at z > 10. Monthly
Notices of the Royal Astronomical Society. 2013;436(3):2301-2325. doi:10.1093/mnras/stt1730'
apa: 'Prieto, J., Jimenez, R., & Haiman, Z. (2013). Gas infall into atomic cooling
haloes: On the formation of protogalactic discs and supermassive black holes at
z > 10. Monthly Notices of the Royal Astronomical Society. Oxford University
Press. https://doi.org/10.1093/mnras/stt1730'
chicago: 'Prieto, Joaquin, Raul Jimenez, and Zoltán Haiman. “Gas Infall into Atomic
Cooling Haloes: On the Formation of Protogalactic Discs and Supermassive Black
Holes at z > 10.” Monthly Notices of the Royal Astronomical Society.
Oxford University Press, 2013. https://doi.org/10.1093/mnras/stt1730.'
ieee: 'J. Prieto, R. Jimenez, and Z. Haiman, “Gas infall into atomic cooling haloes:
On the formation of protogalactic discs and supermassive black holes at z >
10,” Monthly Notices of the Royal Astronomical Society, vol. 436, no. 3.
Oxford University Press, pp. 2301–2325, 2013.'
ista: 'Prieto J, Jimenez R, Haiman Z. 2013. Gas infall into atomic cooling haloes:
On the formation of protogalactic discs and supermassive black holes at z >
10. Monthly Notices of the Royal Astronomical Society. 436(3), 2301–2325.'
mla: 'Prieto, Joaquin, et al. “Gas Infall into Atomic Cooling Haloes: On the Formation
of Protogalactic Discs and Supermassive Black Holes at z > 10.” Monthly
Notices of the Royal Astronomical Society, vol. 436, no. 3, Oxford University
Press, 2013, pp. 2301–25, doi:10.1093/mnras/stt1730.'
short: J. Prieto, R. Jimenez, Z. Haiman, Monthly Notices of the Royal Astronomical
Society 436 (2013) 2301–2325.
date_created: 2024-09-06T08:19:41Z
date_published: 2013-10-08T00:00:00Z
date_updated: 2024-09-25T09:15:36Z
day: '08'
doi: 10.1093/mnras/stt1730
extern: '1'
fulldoi: https://doi.org/10.1093/mnras/stt1730
intvolume: ' 436'
issue: '3'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://doi.org/10.1093/mnras/stt1730
month: '10'
oa: 1
oa_version: Published Version
page: 2301-2325
publication: Monthly Notices of the Royal Astronomical Society
publication_identifier:
issn:
- 1365-2966
- 0035-8711
publication_status: published
publisher: Oxford University Press
quality_controlled: '1'
scopus_import: '1'
status: public
title: 'Gas infall into atomic cooling haloes: On the formation of protogalactic discs
and supermassive black holes at z > 10'
type: journal_article
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 436
year: '2013'
...
---
_id: '17704'
abstract:
- lang: eng
text: We compare the efficiency of moments and Minkowski functionals (MFs) in constraining
the subset of cosmological parameters (Omega_m,w,sigma_8) using simulated weak
lensing convergence maps. We study an analytic perturbative expansion of the MFs
in terms of the moments of the convergence field and of its spatial derivatives.
We show that this perturbation series breaks down on smoothing scales below 5',
while it shows a good degree of convergence on larger scales (15'). Most of the
cosmological distinguishing power is lost when the maps are smoothed on these
larger scales. We also show that, on scales comparable to 1', where the perturbation
series does not converge, cosmological constraints obtained from the MFs are approximately
1.5-2 times better than the ones obtained from the first few moments of the convergence
distribution --- provided that the latter include spatial information, either
from moments of gradients, or by combining multiple smoothing scales. Including
either a set of these moments or the MFs can significantly tighten constraints
on cosmological parameters, compared to the conventional method of using the power
spectrum alone.
article_number: '123002'
article_processing_charge: No
article_type: original
arxiv: 1
author:
- first_name: Andrea
full_name: Petri, Andrea
last_name: Petri
- first_name: Zoltán
full_name: Haiman, Zoltán
id: 7c006e8c-cc0d-11ee-8322-cb904ef76f36
last_name: Haiman
- first_name: Lam
full_name: Hui, Lam
last_name: Hui
- first_name: Morgan
full_name: May, Morgan
last_name: May
- first_name: Jan M.
full_name: Kratochvil, Jan M.
last_name: Kratochvil
citation:
ama: Petri A, Haiman Z, Hui L, May M, Kratochvil JM. Cosmology with Minkowski functionals
and moments of the weak lensing convergence field. Physical Review D. 2013;88(12).
doi:10.1103/physrevd.88.123002
apa: Petri, A., Haiman, Z., Hui, L., May, M., & Kratochvil, J. M. (2013). Cosmology
with Minkowski functionals and moments of the weak lensing convergence field.
Physical Review D. American Physical Society. https://doi.org/10.1103/physrevd.88.123002
chicago: Petri, Andrea, Zoltán Haiman, Lam Hui, Morgan May, and Jan M. Kratochvil.
“Cosmology with Minkowski Functionals and Moments of the Weak Lensing Convergence
Field.” Physical Review D. American Physical Society, 2013. https://doi.org/10.1103/physrevd.88.123002.
ieee: A. Petri, Z. Haiman, L. Hui, M. May, and J. M. Kratochvil, “Cosmology with
Minkowski functionals and moments of the weak lensing convergence field,” Physical
Review D, vol. 88, no. 12. American Physical Society, 2013.
ista: Petri A, Haiman Z, Hui L, May M, Kratochvil JM. 2013. Cosmology with Minkowski
functionals and moments of the weak lensing convergence field. Physical Review
D. 88(12), 123002.
mla: Petri, Andrea, et al. “Cosmology with Minkowski Functionals and Moments of
the Weak Lensing Convergence Field.” Physical Review D, vol. 88, no. 12,
123002, American Physical Society, 2013, doi:10.1103/physrevd.88.123002.
short: A. Petri, Z. Haiman, L. Hui, M. May, J.M. Kratochvil, Physical Review D 88
(2013).
date_created: 2024-09-06T08:49:55Z
date_published: 2013-12-05T00:00:00Z
date_updated: 2024-09-25T11:35:11Z
day: '05'
doi: 10.1103/physrevd.88.123002
extern: '1'
external_id:
arxiv:
- '1309.4460'
fulldoi: https://doi.org/10.1103/physrevd.88.123002
intvolume: ' 88'
issue: '12'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: ' https://doi.org/10.48550/arXiv.1309.4460'
month: '12'
oa: 1
oa_version: Preprint
publication: Physical Review D
publication_identifier:
issn:
- 1550-7998
- 1550-2368
publication_status: published
publisher: American Physical Society
quality_controlled: '1'
scopus_import: '1'
status: public
title: Cosmology with Minkowski functionals and moments of the weak lensing convergence
field
type: journal_article
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 88
year: '2013'
...
---
_id: '1785'
abstract:
- lang: eng
text: The geometric aspects of quantum mechanics are emphasized most prominently
by the concept of geometric phases, which are acquired whenever a quantum system
evolves along a path in Hilbert space, that is, the space of quantum states of
the system. The geometric phase is determined only by the shape of this path and
is, in its simplest form, a real number. However, if the system has degenerate
energy levels, then matrix-valued geometric state transformations, known as non-Abelian
holonomies-the effect of which depends on the order of two consecutive paths-can
be obtained. They are important, for example, for the creation of synthetic gauge
fields in cold atomic gases or the description of non-Abelian anyon statistics.
Moreover, there are proposals to exploit non-Abelian holonomic gates for the purposes
of noise-resilient quantum computation. In contrast to Abelian geometric operations,
non-Abelian ones have been observed only in nuclear quadrupole resonance experiments
with a large number of spins, and without full characterization of the geometric
process and its non-commutative nature. Here we realize non-Abelian non-adiabatic
holonomic quantum operations on a single, superconducting, artificial three-level
atom by applying a well-controlled, two-tone microwave drive. Using quantum process
tomography, we determine fidelities of the resulting non-commuting gates that
exceed 95 per cent. We show that two different quantum gates, originating from
two distinct paths in Hilbert space, yield non-equivalent transformations when
applied in different orders. This provides evidence for the non-Abelian character
of the implemented holonomic quantum operations. In combination with a non-trivial
two-quantum-bit gate, our method suggests a way to universal holonomic quantum
computing.
acknowledgement: This work is supported financially by GEOMDISS, the Swiss National
Science Foundation and ETH Zurich
author:
- first_name: Abdufarrukh
full_name: Abdumalikov, Abdufarrukh A
last_name: Abdumalikov
- first_name: Johannes M
full_name: Johannes Fink
id: 4B591CBA-F248-11E8-B48F-1D18A9856A87
last_name: Fink
orcid: 0000-0001-8112-028X
- first_name: K
full_name: Juliusson, K
last_name: Juliusson
- first_name: M
full_name: Pechal, M
last_name: Pechal
- first_name: Stefan
full_name: Berger, Stefan T
last_name: Berger
- first_name: Andreas
full_name: Wallraff, Andreas
last_name: Wallraff
- first_name: Stefan
full_name: Filipp, Stefan
last_name: Filipp
citation:
ama: Abdumalikov A, Fink JM, Juliusson K, et al. Experimental realization of non-Abelian
non-adiabatic geometric gates. Nature. 2013;496(7446):482-485. doi:10.1038/nature12010
apa: Abdumalikov, A., Fink, J. M., Juliusson, K., Pechal, M., Berger, S., Wallraff,
A., & Filipp, S. (2013). Experimental realization of non-Abelian non-adiabatic
geometric gates. Nature. Nature Publishing Group. https://doi.org/10.1038/nature12010
chicago: Abdumalikov, Abdufarrukh, Johannes M Fink, K Juliusson, M Pechal, Stefan
Berger, Andreas Wallraff, and Stefan Filipp. “Experimental Realization of Non-Abelian
Non-Adiabatic Geometric Gates.” Nature. Nature Publishing Group, 2013.
https://doi.org/10.1038/nature12010.
ieee: A. Abdumalikov et al., “Experimental realization of non-Abelian non-adiabatic
geometric gates,” Nature, vol. 496, no. 7446. Nature Publishing Group,
pp. 482–485, 2013.
ista: Abdumalikov A, Fink JM, Juliusson K, Pechal M, Berger S, Wallraff A, Filipp
S. 2013. Experimental realization of non-Abelian non-adiabatic geometric gates.
Nature. 496(7446), 482–485.
mla: Abdumalikov, Abdufarrukh, et al. “Experimental Realization of Non-Abelian Non-Adiabatic
Geometric Gates.” Nature, vol. 496, no. 7446, Nature Publishing Group,
2013, pp. 482–85, doi:10.1038/nature12010.
short: A. Abdumalikov, J.M. Fink, K. Juliusson, M. Pechal, S. Berger, A. Wallraff,
S. Filipp, Nature 496 (2013) 482–485.
date_created: 2018-12-11T11:54:00Z
date_published: 2013-04-25T00:00:00Z
date_updated: 2021-01-12T06:53:11Z
day: '25'
doi: 10.1038/nature12010
extern: 1
fulldoi: https://doi.org/10.1038/nature12010
intvolume: ' 496'
issue: '7446'
month: '04'
page: 482 - 485
publication: Nature
publication_status: published
publisher: Nature Publishing Group
publist_id: '5329'
quality_controlled: 0
status: public
title: Experimental realization of non-Abelian non-adiabatic geometric gates
type: journal_article
volume: 496
year: '2013'
...
---
_id: '1786'
abstract:
- lang: eng
text: We report the experimental observation and a theoretical explanation of collective
suppression of linewidths for multiple superconducting qubits coupled to a good
cavity. This demonstrates how strong qubit-cavity coupling can significantly modify
the dephasing and dissipation processes that might be expected for individual
qubits, and can potentially improve coherence times in many-body circuit QED.
acknowledgement: J. K. acknowledges financial support from EPSRC program “TOPNES”
(EP/I031014/1) and EPSRC (EP/G004714/2)
author:
- first_name: Felix
full_name: Nissen, Felix
last_name: Nissen
- first_name: Johannes M
full_name: Johannes Fink
id: 4B591CBA-F248-11E8-B48F-1D18A9856A87
last_name: Fink
orcid: 0000-0001-8112-028X
- first_name: Jonas
full_name: Mlynek, Jonas A
last_name: Mlynek
- first_name: Andreas
full_name: Wallraff, Andreas
last_name: Wallraff
- first_name: Jonathan
full_name: Keeling, Jonathan M
last_name: Keeling
citation:
ama: Nissen F, Fink JM, Mlynek J, Wallraff A, Keeling J. Collective suppression
of linewidths in circuit QED. Physical Review Letters. 2013;110(20). doi:10.1103/PhysRevLett.110.203602
apa: Nissen, F., Fink, J. M., Mlynek, J., Wallraff, A., & Keeling, J. (2013).
Collective suppression of linewidths in circuit QED. Physical Review Letters.
American Physical Society. https://doi.org/10.1103/PhysRevLett.110.203602
chicago: Nissen, Felix, Johannes M Fink, Jonas Mlynek, Andreas Wallraff, and Jonathan
Keeling. “Collective Suppression of Linewidths in Circuit QED.” Physical Review
Letters. American Physical Society, 2013. https://doi.org/10.1103/PhysRevLett.110.203602.
ieee: F. Nissen, J. M. Fink, J. Mlynek, A. Wallraff, and J. Keeling, “Collective
suppression of linewidths in circuit QED,” Physical Review Letters, vol.
110, no. 20. American Physical Society, 2013.
ista: Nissen F, Fink JM, Mlynek J, Wallraff A, Keeling J. 2013. Collective suppression
of linewidths in circuit QED. Physical Review Letters. 110(20).
mla: Nissen, Felix, et al. “Collective Suppression of Linewidths in Circuit QED.”
Physical Review Letters, vol. 110, no. 20, American Physical Society, 2013,
doi:10.1103/PhysRevLett.110.203602.
short: F. Nissen, J.M. Fink, J. Mlynek, A. Wallraff, J. Keeling, Physical Review
Letters 110 (2013).
date_created: 2018-12-11T11:54:00Z
date_published: 2013-05-15T00:00:00Z
date_updated: 2021-01-12T06:53:11Z
day: '15'
doi: 10.1103/PhysRevLett.110.203602
extern: 1
fulldoi: https://doi.org/10.1103/PhysRevLett.110.203602
intvolume: ' 110'
issue: '20'
main_file_link:
- open_access: '1'
url: http://arxiv.org/abs/1302.0665
month: '05'
oa: 1
publication: Physical Review Letters
publication_status: published
publisher: American Physical Society
publist_id: '5328'
quality_controlled: 0
status: public
title: Collective suppression of linewidths in circuit QED
type: journal_article
volume: 110
year: '2013'
...
---
_id: '1787'
abstract:
- lang: eng
text: When two indistinguishable single photons impinge at the two inputs of a beam
splitter they coalesce into a pair of photons appearing in either one of its two
outputs. This effect is due to the bosonic nature of photons and was first experimentally
observed by Hong, Ou and Mandel. Here, we present the observation of the Hong-Ou-Mandel
effect with two independent single-photon sources in the microwave frequency domain.
We probe the indistinguishability of single photons, created with a controllable
delay, in time-resolved second-order cross- and auto-correlation function measurements.
Using quadrature amplitude detection we are able to resolve different photon numbers
and detect coherence in and between the output arms. This scheme allows us to
fully characterize the two-mode entanglement of the spatially separated beam-splitter
output modes. Our experiments constitute a first step towards using two-photon
interference at microwave frequencies for quantum communication and information
processing.
acknowledgement: This work was supported by the European Research Council (ERC) through
a Starting Grant and by ETHZ. L.S. was supported by EU IP SOLID. A.B. and M.J.W.
were supported by NSERC, CIFAR and the Alfred P. Sloan Foundation
author:
- first_name: C
full_name: Lang, C
last_name: Lang
- first_name: Christopher
full_name: Eichler, Christopher
last_name: Eichler
- first_name: L.
full_name: Steffen, L. Kraig
last_name: Steffen
- first_name: Johannes M
full_name: Johannes Fink
id: 4B591CBA-F248-11E8-B48F-1D18A9856A87
last_name: Fink
orcid: 0000-0001-8112-028X
- first_name: Matthew
full_name: Woolley, Matthew J
last_name: Woolley
- first_name: Alexandre
full_name: Blais, Alexandre
last_name: Blais
- first_name: Andreas
full_name: Wallraff, Andreas
last_name: Wallraff
citation:
ama: Lang C, Eichler C, Steffen L, et al. Correlations, indistinguishability and
entanglement in Hong-Ou-Mandel experiments at microwave frequencies. Nature
Physics. 2013;9(6):345-348. doi:10.1038/nphys2612
apa: Lang, C., Eichler, C., Steffen, L., Fink, J. M., Woolley, M., Blais, A., &
Wallraff, A. (2013). Correlations, indistinguishability and entanglement in Hong-Ou-Mandel
experiments at microwave frequencies. Nature Physics. Nature Publishing
Group. https://doi.org/10.1038/nphys2612
chicago: Lang, C, Christopher Eichler, L. Steffen, Johannes M Fink, Matthew Woolley,
Alexandre Blais, and Andreas Wallraff. “Correlations, Indistinguishability and
Entanglement in Hong-Ou-Mandel Experiments at Microwave Frequencies.” Nature
Physics. Nature Publishing Group, 2013. https://doi.org/10.1038/nphys2612.
ieee: C. Lang et al., “Correlations, indistinguishability and entanglement
in Hong-Ou-Mandel experiments at microwave frequencies,” Nature Physics,
vol. 9, no. 6. Nature Publishing Group, pp. 345–348, 2013.
ista: Lang C, Eichler C, Steffen L, Fink JM, Woolley M, Blais A, Wallraff A. 2013.
Correlations, indistinguishability and entanglement in Hong-Ou-Mandel experiments
at microwave frequencies. Nature Physics. 9(6), 345–348.
mla: Lang, C., et al. “Correlations, Indistinguishability and Entanglement in Hong-Ou-Mandel
Experiments at Microwave Frequencies.” Nature Physics, vol. 9, no. 6, Nature
Publishing Group, 2013, pp. 345–48, doi:10.1038/nphys2612.
short: C. Lang, C. Eichler, L. Steffen, J.M. Fink, M. Woolley, A. Blais, A. Wallraff,
Nature Physics 9 (2013) 345–348.
date_created: 2018-12-11T11:54:00Z
date_published: 2013-06-01T00:00:00Z
date_updated: 2021-01-12T06:53:11Z
day: '01'
doi: 10.1038/nphys2612
extern: 1
fulldoi: https://doi.org/10.1038/nphys2612
intvolume: ' 9'
issue: '6'
month: '06'
page: 345 - 348
publication: Nature Physics
publication_status: published
publisher: Nature Publishing Group
publist_id: '5327'
quality_controlled: 0
status: public
title: Correlations, indistinguishability and entanglement in Hong-Ou-Mandel experiments
at microwave frequencies
type: journal_article
volume: 9
year: '2013'
...
---
_id: '1790'
abstract:
- lang: eng
text: In the September 12, 2013 issue of Nature, the Epi4K Consortium (. Allen etal.,
2013) reported sequencing 264patient trios with epileptic encephalopathies. The
Consortium focused on genes exceptionally intolerant to sequence variations and
found substantial interconnections with autism and intellectual disability gene
networks.
author:
- first_name: Gaia
full_name: Gaia Novarino
id: 3E57A680-F248-11E8-B48F-1D18A9856A87
last_name: Novarino
orcid: 0000-0002-7673-7178
- first_name: Seungtae
full_name: Baek, SeungTae
last_name: Baek
- first_name: Joseph
full_name: Gleeson, Joseph G
last_name: Gleeson
citation:
ama: 'Novarino G, Baek S, Gleeson J. The sacred disease: The puzzling genetics of
epileptic disorders. Neuron. 2013;80(1):9-11. doi:10.1016/j.neuron.2013.09.019'
apa: 'Novarino, G., Baek, S., & Gleeson, J. (2013). The sacred disease: The
puzzling genetics of epileptic disorders. Neuron. Elsevier. https://doi.org/10.1016/j.neuron.2013.09.019'
chicago: 'Novarino, Gaia, Seungtae Baek, and Joseph Gleeson. “The Sacred Disease:
The Puzzling Genetics of Epileptic Disorders.” Neuron. Elsevier, 2013.
https://doi.org/10.1016/j.neuron.2013.09.019.'
ieee: 'G. Novarino, S. Baek, and J. Gleeson, “The sacred disease: The puzzling genetics
of epileptic disorders,” Neuron, vol. 80, no. 1. Elsevier, pp. 9–11, 2013.'
ista: 'Novarino G, Baek S, Gleeson J. 2013. The sacred disease: The puzzling genetics
of epileptic disorders. Neuron. 80(1), 9–11.'
mla: 'Novarino, Gaia, et al. “The Sacred Disease: The Puzzling Genetics of Epileptic
Disorders.” Neuron, vol. 80, no. 1, Elsevier, 2013, pp. 9–11, doi:10.1016/j.neuron.2013.09.019.'
short: G. Novarino, S. Baek, J. Gleeson, Neuron 80 (2013) 9–11.
date_created: 2018-12-11T11:54:01Z
date_published: 2013-10-02T00:00:00Z
date_updated: 2021-01-12T06:53:13Z
day: '02'
doi: 10.1016/j.neuron.2013.09.019
extern: 1
fulldoi: https://doi.org/10.1016/j.neuron.2013.09.019
intvolume: ' 80'
issue: '1'
month: '10'
page: 9 - 11
publication: Neuron
publication_status: published
publisher: Elsevier
publist_id: '5323'
quality_controlled: 0
status: public
title: 'The sacred disease: The puzzling genetics of epileptic disorders'
type: journal_article
volume: 80
year: '2013'
...
---
OA_place: repository
OA_type: green
_id: '17991'
abstract:
- lang: eng
text: Electrical and thermal transport properties of C60 molecules are investigated
with density-functional-theory based calculations. These calculations suggest
that the optimum contact geometry for an electrode terminated with a single-Au
atom is through binding to one or two C-atoms of C60 with a tendency to promote
the sp2-hybridization into an sp3-type one. Transport in these junctions is
primarily through an unoccupied molecular orbital that is partly hybridized with
the Au, which results in splitting the degeneracy of the lowest unoccupied molecular
orbital triplet. The transmission through these junctions, however, cannot be
modeled by a single Lorentzian resonance, as our results show evidence of quantum
interference between an occupied and an unoccupied orbital. The interference results
in a suppression of conductance around the Fermi energy. Our numerical findings
are readily analyzed analytically within a simple two-level model.
article_number: '234701'
article_processing_charge: No
article_type: original
arxiv: 1
author:
- first_name: G.
full_name: Géranton, G.
last_name: Géranton
- first_name: C.
full_name: Seiler, C.
last_name: Seiler
- first_name: A.
full_name: Bagrets, A.
last_name: Bagrets
- first_name: Latha
full_name: Venkataraman, Latha
id: 9ebb78a5-cc0d-11ee-8322-fae086a32caf
last_name: Venkataraman
orcid: 0000-0002-6957-6089
- first_name: F.
full_name: Evers, F.
last_name: Evers
citation:
ama: Géranton G, Seiler C, Bagrets A, Venkataraman L, Evers F. Transport properties
of individual C60-molecules. The Journal of Chemical Physics. 2013;139(23).
doi:10.1063/1.4840535
apa: Géranton, G., Seiler, C., Bagrets, A., Venkataraman, L., & Evers, F. (2013).
Transport properties of individual C60-molecules. The Journal of Chemical Physics.
AIP Publishing. https://doi.org/10.1063/1.4840535
chicago: Géranton, G., C. Seiler, A. Bagrets, Latha Venkataraman, and F. Evers.
“Transport Properties of Individual C60-Molecules.” The Journal of Chemical
Physics. AIP Publishing, 2013. https://doi.org/10.1063/1.4840535.
ieee: G. Géranton, C. Seiler, A. Bagrets, L. Venkataraman, and F. Evers, “Transport
properties of individual C60-molecules,” The Journal of Chemical Physics,
vol. 139, no. 23. AIP Publishing, 2013.
ista: Géranton G, Seiler C, Bagrets A, Venkataraman L, Evers F. 2013. Transport
properties of individual C60-molecules. The Journal of Chemical Physics. 139(23),
234701.
mla: Géranton, G., et al. “Transport Properties of Individual C60-Molecules.” The
Journal of Chemical Physics, vol. 139, no. 23, 234701, AIP Publishing, 2013,
doi:10.1063/1.4840535.
short: G. Géranton, C. Seiler, A. Bagrets, L. Venkataraman, F. Evers, The Journal
of Chemical Physics 139 (2013).
date_created: 2024-09-09T11:27:23Z
date_published: 2013-12-16T00:00:00Z
date_updated: 2025-01-03T07:51:59Z
day: '16'
doi: 10.1063/1.4840535
extern: '1'
external_id:
arxiv:
- '1206.1226'
fulldoi: https://doi.org/10.1063/1.4840535
intvolume: ' 139'
issue: '23'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://arxiv.org/abs/1206.1226
month: '12'
oa: 1
oa_version: Preprint
publication: The Journal of Chemical Physics
publication_identifier:
eissn:
- 1089-7690
issn:
- 0021-9606
publication_status: published
publisher: AIP Publishing
quality_controlled: '1'
scopus_import: '1'
status: public
title: Transport properties of individual C60-molecules
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 139
year: '2013'
...
---
OA_type: closed access
_id: '17992'
abstract:
- lang: eng
text: Here we demonstrate for the first time that strained silanes couple directly
to gold electrodes in break-junction conductance measurements. We find that strained
silicon molecular wires terminated by alkyl sulfide aurophiles behave effectively
as single-molecule parallel circuits with competing sulfur-to-sulfur (low G) and
sulfur-to-silacycle (high G) pathways. We can switch off the high conducting sulfur-to-silacycle
pathway by altering the environment of the electrode surface to disable the Au–silacycle
coupling. Additionally, we can switch between conductive pathways in a single
molecular junction by modulating the tip–substrate electrode distance. This study
provides a new molecular design to control electronics in silicon-based single
molecule wires.
article_processing_charge: No
article_type: letter_note
author:
- first_name: Timothy A.
full_name: Su, Timothy A.
last_name: Su
- first_name: Jonathan R.
full_name: Widawsky, Jonathan R.
last_name: Widawsky
- first_name: Haixing
full_name: Li, Haixing
last_name: Li
- first_name: Rebekka S.
full_name: Klausen, Rebekka S.
last_name: Klausen
- first_name: James L.
full_name: Leighton, James L.
last_name: Leighton
- first_name: Michael L.
full_name: Steigerwald, Michael L.
last_name: Steigerwald
- first_name: Latha
full_name: Venkataraman, Latha
id: 9ebb78a5-cc0d-11ee-8322-fae086a32caf
last_name: Venkataraman
orcid: 0000-0002-6957-6089
- first_name: Colin
full_name: Nuckolls, Colin
last_name: Nuckolls
citation:
ama: Su TA, Widawsky JR, Li H, et al. Silicon ring strain creates high-conductance
pathways in single-molecule circuits. Journal of the American Chemical Society.
2013;135(49):18331-18334. doi:10.1021/ja410656a
apa: Su, T. A., Widawsky, J. R., Li, H., Klausen, R. S., Leighton, J. L., Steigerwald,
M. L., … Nuckolls, C. (2013). Silicon ring strain creates high-conductance pathways
in single-molecule circuits. Journal of the American Chemical Society.
American Chemical Society. https://doi.org/10.1021/ja410656a
chicago: Su, Timothy A., Jonathan R. Widawsky, Haixing Li, Rebekka S. Klausen, James
L. Leighton, Michael L. Steigerwald, Latha Venkataraman, and Colin Nuckolls. “Silicon
Ring Strain Creates High-Conductance Pathways in Single-Molecule Circuits.” Journal
of the American Chemical Society. American Chemical Society, 2013. https://doi.org/10.1021/ja410656a.
ieee: T. A. Su et al., “Silicon ring strain creates high-conductance pathways
in single-molecule circuits,” Journal of the American Chemical Society,
vol. 135, no. 49. American Chemical Society, pp. 18331–18334, 2013.
ista: Su TA, Widawsky JR, Li H, Klausen RS, Leighton JL, Steigerwald ML, Venkataraman
L, Nuckolls C. 2013. Silicon ring strain creates high-conductance pathways in
single-molecule circuits. Journal of the American Chemical Society. 135(49), 18331–18334.
mla: Su, Timothy A., et al. “Silicon Ring Strain Creates High-Conductance Pathways
in Single-Molecule Circuits.” Journal of the American Chemical Society,
vol. 135, no. 49, American Chemical Society, 2013, pp. 18331–34, doi:10.1021/ja410656a.
short: T.A. Su, J.R. Widawsky, H. Li, R.S. Klausen, J.L. Leighton, M.L. Steigerwald,
L. Venkataraman, C. Nuckolls, Journal of the American Chemical Society 135 (2013)
18331–18334.
date_created: 2024-09-09T11:29:00Z
date_published: 2013-11-21T00:00:00Z
date_updated: 2025-01-03T07:54:49Z
day: '21'
doi: 10.1021/ja410656a
extern: '1'
external_id:
pmid:
- '24261548'
fulldoi: https://doi.org/10.1021/ja410656a
intvolume: ' 135'
issue: '49'
language:
- iso: eng
month: '11'
oa_version: None
page: 18331-18334
pmid: 1
publication: Journal of the American Chemical Society
publication_identifier:
eissn:
- 1520-5126
issn:
- 0002-7863
publication_status: published
publisher: American Chemical Society
quality_controlled: '1'
scopus_import: '1'
status: public
title: Silicon ring strain creates high-conductance pathways in single-molecule circuits
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 135
year: '2013'
...
---
OA_type: closed access
_id: '17993'
abstract:
- lang: eng
text: We demonstrate a new method of achieving rectification in single molecule
devices using the high-bias properties of gold–carbon bonds. Our design for molecular
rectifiers uses a symmetric, conjugated molecular backbone with a single methylsulfide
group linking one end to a gold electrode and a covalent gold–carbon bond at the
other end. The gold–carbon bond results in a hybrid gold-molecule “gateway” state
pinned close to the Fermi level of one electrode. Through nonequilibrium transport
calculations, we show that the energy of this state shifts drastically with applied
bias, resulting in rectification at surprisingly low voltages. We use this concept
to design and synthesize a family of diodes and demonstrate through single-molecule
current–voltage measurements that the rectification ratio can be predictably and
efficiently tuned. This result constitutes the first experimental demonstration
of a rationally tunable system of single-molecule rectifiers. More generally,
the results demonstrate that the high-bias properties of “gateway” states can
be used to provide additional functionality to molecular electronic systems.
article_processing_charge: No
article_type: letter_note
author:
- first_name: Arunabh
full_name: Batra, Arunabh
last_name: Batra
- first_name: Pierre
full_name: Darancet, Pierre
last_name: Darancet
- first_name: Qishui
full_name: Chen, Qishui
last_name: Chen
- first_name: Jeffrey S.
full_name: Meisner, Jeffrey S.
last_name: Meisner
- first_name: Jonathan R.
full_name: Widawsky, Jonathan R.
last_name: Widawsky
- first_name: Jeffrey B.
full_name: Neaton, Jeffrey B.
last_name: Neaton
- first_name: Colin
full_name: Nuckolls, Colin
last_name: Nuckolls
- first_name: Latha
full_name: Venkataraman, Latha
id: 9ebb78a5-cc0d-11ee-8322-fae086a32caf
last_name: Venkataraman
orcid: 0000-0002-6957-6089
citation:
ama: Batra A, Darancet P, Chen Q, et al. Tuning rectification in single-molecular
diodes. Nano Letters. 2013;13(12):6233-6237. doi:10.1021/nl403698m
apa: Batra, A., Darancet, P., Chen, Q., Meisner, J. S., Widawsky, J. R., Neaton,
J. B., … Venkataraman, L. (2013). Tuning rectification in single-molecular diodes.
Nano Letters. American Chemical Society. https://doi.org/10.1021/nl403698m
chicago: Batra, Arunabh, Pierre Darancet, Qishui Chen, Jeffrey S. Meisner, Jonathan
R. Widawsky, Jeffrey B. Neaton, Colin Nuckolls, and Latha Venkataraman. “Tuning
Rectification in Single-Molecular Diodes.” Nano Letters. American Chemical
Society, 2013. https://doi.org/10.1021/nl403698m.
ieee: A. Batra et al., “Tuning rectification in single-molecular diodes,”
Nano Letters, vol. 13, no. 12. American Chemical Society, pp. 6233–6237,
2013.
ista: Batra A, Darancet P, Chen Q, Meisner JS, Widawsky JR, Neaton JB, Nuckolls
C, Venkataraman L. 2013. Tuning rectification in single-molecular diodes. Nano
Letters. 13(12), 6233–6237.
mla: Batra, Arunabh, et al. “Tuning Rectification in Single-Molecular Diodes.” Nano
Letters, vol. 13, no. 12, American Chemical Society, 2013, pp. 6233–37, doi:10.1021/nl403698m.
short: A. Batra, P. Darancet, Q. Chen, J.S. Meisner, J.R. Widawsky, J.B. Neaton,
C. Nuckolls, L. Venkataraman, Nano Letters 13 (2013) 6233–6237.
date_created: 2024-09-09T11:29:47Z
date_published: 2013-11-25T00:00:00Z
date_updated: 2025-01-03T07:57:04Z
day: '25'
doi: 10.1021/nl403698m
extern: '1'
external_id:
pmid:
- '24274757'
fulldoi: https://doi.org/10.1021/nl403698m
intvolume: ' 13'
issue: '12'
language:
- iso: eng
month: '11'
oa_version: None
page: 6233-6237
pmid: 1
publication: Nano Letters
publication_identifier:
eissn:
- 1530-6992
issn:
- 1530-6984
publication_status: published
publisher: American Chemical Society
quality_controlled: '1'
scopus_import: '1'
status: public
title: Tuning rectification in single-molecular diodes
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 13
year: '2013'
...
---
OA_type: closed access
_id: '17994'
abstract:
- lang: eng
text: Charge transfer through noncovalent interactions is crucial to a variety of
chemical phenomena. These interactions are often weak and nonspecific and can
coexist, making it difficult to isolate the transfer efficiency of one type of
bond versus another. Here, we show how core-hole clock spectroscopy can be used
to measure charge transfer through noncovalent interactions. We study the model
system 1,4-benzenediamine molecules bound on an Au surface through an Au–N donor–acceptor
bond as these are known to provide a pathway for electronic conduction in molecular
devices. We study different phases of the molecule/Au system and map charge delocalization
times from carbon and nitrogen sites on the molecule. We show that charge delocalization
across Au–N donor–acceptor bond occurs in less than 500 as. Furthermore, the Au–N
bond also enhances delocalization times from neighboring carbon sites, demonstrating
that fast charge transfer across a metal–organic interface does not require a
covalently bonded system.
article_processing_charge: No
article_type: original
author:
- first_name: Gregor
full_name: Kladnik, Gregor
last_name: Kladnik
- first_name: Dean
full_name: Cvetko, Dean
last_name: Cvetko
- first_name: Arunabh
full_name: Batra, Arunabh
last_name: Batra
- first_name: Martina
full_name: Dell’Angela, Martina
last_name: Dell’Angela
- first_name: Albano
full_name: Cossaro, Albano
last_name: Cossaro
- first_name: Maria
full_name: Kamenetska, Maria
last_name: Kamenetska
- first_name: Latha
full_name: Venkataraman, Latha
id: 9ebb78a5-cc0d-11ee-8322-fae086a32caf
last_name: Venkataraman
orcid: 0000-0002-6957-6089
- first_name: Alberto
full_name: Morgante, Alberto
last_name: Morgante
citation:
ama: Kladnik G, Cvetko D, Batra A, et al. Ultrafast charge transfer through noncovalent
Au–N interactions in molecular systems. The Journal of Physical Chemistry C.
2013;117(32):16477-16482. doi:10.1021/jp405229b
apa: Kladnik, G., Cvetko, D., Batra, A., Dell’Angela, M., Cossaro, A., Kamenetska,
M., … Morgante, A. (2013). Ultrafast charge transfer through noncovalent Au–N
interactions in molecular systems. The Journal of Physical Chemistry C.
American Chemical Society. https://doi.org/10.1021/jp405229b
chicago: Kladnik, Gregor, Dean Cvetko, Arunabh Batra, Martina Dell’Angela, Albano
Cossaro, Maria Kamenetska, Latha Venkataraman, and Alberto Morgante. “Ultrafast
Charge Transfer through Noncovalent Au–N Interactions in Molecular Systems.” The
Journal of Physical Chemistry C. American Chemical Society, 2013. https://doi.org/10.1021/jp405229b.
ieee: G. Kladnik et al., “Ultrafast charge transfer through noncovalent Au–N
interactions in molecular systems,” The Journal of Physical Chemistry C,
vol. 117, no. 32. American Chemical Society, pp. 16477–16482, 2013.
ista: Kladnik G, Cvetko D, Batra A, Dell’Angela M, Cossaro A, Kamenetska M, Venkataraman
L, Morgante A. 2013. Ultrafast charge transfer through noncovalent Au–N interactions
in molecular systems. The Journal of Physical Chemistry C. 117(32), 16477–16482.
mla: Kladnik, Gregor, et al. “Ultrafast Charge Transfer through Noncovalent Au–N
Interactions in Molecular Systems.” The Journal of Physical Chemistry C,
vol. 117, no. 32, American Chemical Society, 2013, pp. 16477–82, doi:10.1021/jp405229b.
short: G. Kladnik, D. Cvetko, A. Batra, M. Dell’Angela, A. Cossaro, M. Kamenetska,
L. Venkataraman, A. Morgante, The Journal of Physical Chemistry C 117 (2013) 16477–16482.
date_created: 2024-09-09T11:30:45Z
date_published: 2013-07-17T00:00:00Z
date_updated: 2025-01-03T07:59:05Z
day: '17'
doi: 10.1021/jp405229b
extern: '1'
fulldoi: https://doi.org/10.1021/jp405229b
intvolume: ' 117'
issue: '32'
language:
- iso: eng
month: '07'
oa_version: None
page: 16477-16482
publication: The Journal of Physical Chemistry C
publication_identifier:
eissn:
- 1932-7455
issn:
- 1932-7447
publication_status: published
publisher: American Chemical Society
quality_controlled: '1'
scopus_import: '1'
status: public
title: Ultrafast charge transfer through noncovalent Au–N interactions in molecular
systems
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 117
year: '2013'
...
---
OA_type: closed access
_id: '17995'
abstract:
- lang: eng
text: We have measured the single-molecule conductance of a family of bithiophene
derivatives terminated with methyl sulfide gold-binding linkers using a scanning
tunneling microscope based break-junction technique. We find a broad distribution
in the single-molecule conductance of bithiophene compared with that of a methyl
sulfide terminated biphenyl. Using a combination of experiments and calculations,
we show that this increased breadth in the conductance distribution is explained
by the difference in 5-fold symmetry of thiophene rings as compared to the 6-fold
symmetry of benzene rings. The reduced symmetry of thiophene rings results in
a restriction on the torsion angle space available to these molecules when bound
between two metal electrodes in a junction, causing each molecular junction to
sample a different set of conformers in the conductance measurements. In contrast,
the rotations of biphenyl are essentially unimpeded by junction binding, allowing
each molecular junction to sample similar conformers. This work demonstrates that
the conductance of bithiophene displays a strong dependence on the conformational
fluctuations accessible within a given junction configuration, and that the symmetry
of such small molecules can significantly influence their conductance behaviors.
article_processing_charge: No
article_type: letter_note
arxiv: 1
author:
- first_name: Emma J.
full_name: Dell, Emma J.
last_name: Dell
- first_name: Brian
full_name: Capozzi, Brian
last_name: Capozzi
- first_name: Kateri H.
full_name: DuBay, Kateri H.
last_name: DuBay
- first_name: Timothy C.
full_name: Berkelbach, Timothy C.
last_name: Berkelbach
- first_name: Jose Ricardo
full_name: Moreno, Jose Ricardo
last_name: Moreno
- first_name: David R.
full_name: Reichman, David R.
last_name: Reichman
- first_name: Latha
full_name: Venkataraman, Latha
id: 9ebb78a5-cc0d-11ee-8322-fae086a32caf
last_name: Venkataraman
orcid: 0000-0002-6957-6089
- first_name: Luis M.
full_name: Campos, Luis M.
last_name: Campos
citation:
ama: Dell EJ, Capozzi B, DuBay KH, et al. Impact of molecular symmetry on single-molecule
conductance. Journal of the American Chemical Society. 2013;135(32):11724-11727.
doi:10.1021/ja4055367
apa: Dell, E. J., Capozzi, B., DuBay, K. H., Berkelbach, T. C., Moreno, J. R., Reichman,
D. R., … Campos, L. M. (2013). Impact of molecular symmetry on single-molecule
conductance. Journal of the American Chemical Society. American Chemical
Society. https://doi.org/10.1021/ja4055367
chicago: Dell, Emma J., Brian Capozzi, Kateri H. DuBay, Timothy C. Berkelbach, Jose
Ricardo Moreno, David R. Reichman, Latha Venkataraman, and Luis M. Campos. “Impact
of Molecular Symmetry on Single-Molecule Conductance.” Journal of the American
Chemical Society. American Chemical Society, 2013. https://doi.org/10.1021/ja4055367.
ieee: E. J. Dell et al., “Impact of molecular symmetry on single-molecule
conductance,” Journal of the American Chemical Society, vol. 135, no. 32.
American Chemical Society, pp. 11724–11727, 2013.
ista: Dell EJ, Capozzi B, DuBay KH, Berkelbach TC, Moreno JR, Reichman DR, Venkataraman
L, Campos LM. 2013. Impact of molecular symmetry on single-molecule conductance.
Journal of the American Chemical Society. 135(32), 11724–11727.
mla: Dell, Emma J., et al. “Impact of Molecular Symmetry on Single-Molecule Conductance.”
Journal of the American Chemical Society, vol. 135, no. 32, American Chemical
Society, 2013, pp. 11724–27, doi:10.1021/ja4055367.
short: E.J. Dell, B. Capozzi, K.H. DuBay, T.C. Berkelbach, J.R. Moreno, D.R. Reichman,
L. Venkataraman, L.M. Campos, Journal of the American Chemical Society 135 (2013)
11724–11727.
date_created: 2024-09-09T11:32:00Z
date_published: 2013-08-01T00:00:00Z
date_updated: 2025-01-03T08:00:57Z
day: '01'
doi: 10.1021/ja4055367
extern: '1'
external_id:
arxiv:
- '23905714'
fulldoi: https://doi.org/10.1021/ja4055367
intvolume: ' 135'
issue: '32'
language:
- iso: eng
month: '08'
oa_version: None
page: 11724-11727
publication: Journal of the American Chemical Society
publication_identifier:
eissn:
- 1520-5126
issn:
- 0002-7863
publication_status: published
publisher: American Chemical Society
quality_controlled: '1'
scopus_import: '1'
status: public
title: Impact of molecular symmetry on single-molecule conductance
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 135
year: '2013'
...
---
OA_type: closed access
_id: '17996'
abstract:
- lang: eng
text: We compare the conductance of a series of amine-terminated oligophenyl and
alkane molecular junctions formed with Ag and Au electrodes using the scanning
tunneling microscope based break-junction technique. For these molecules that
conduct through the highest occupied molecular orbital, junctions formed with
Au electrodes are more conductive than those formed with Ag electrodes, consistent
with the lower work function for Ag. The measured conductance decays exponentially
with molecular backbone length with a decay constant that is essentially the same
for Ag and Au electrodes. However, the formation and evolution of molecular junctions
upon elongation are very different for these two metals. Specifically, junctions
formed with Ag electrodes sustain significantly longer elongation when compared
with Au due to a difference in the initial gap opened up when the metal point-contact
is broken. Using this observation and density functional theory calculations of
junction structure and conductance we explain the trends observed in the single
molecule junction conductance. Our work thus opens a new path to the conductance
measurements of a single molecule junction in Ag electrodes.
article_processing_charge: No
article_type: letter_note
author:
- first_name: Taekyeong
full_name: Kim, Taekyeong
last_name: Kim
- first_name: Héctor
full_name: Vázquez, Héctor
last_name: Vázquez
- first_name: Mark S.
full_name: Hybertsen, Mark S.
last_name: Hybertsen
- first_name: Latha
full_name: Venkataraman, Latha
id: 9ebb78a5-cc0d-11ee-8322-fae086a32caf
last_name: Venkataraman
orcid: 0000-0002-6957-6089
citation:
ama: Kim T, Vázquez H, Hybertsen MS, Venkataraman L. Conductance of molecular junctions
formed with silver electrodes. Nano Letters. 2013;13(7):3358-3364. doi:10.1021/nl401654s
apa: Kim, T., Vázquez, H., Hybertsen, M. S., & Venkataraman, L. (2013). Conductance
of molecular junctions formed with silver electrodes. Nano Letters. American
Chemical Society. https://doi.org/10.1021/nl401654s
chicago: Kim, Taekyeong, Héctor Vázquez, Mark S. Hybertsen, and Latha Venkataraman.
“Conductance of Molecular Junctions Formed with Silver Electrodes.” Nano Letters.
American Chemical Society, 2013. https://doi.org/10.1021/nl401654s.
ieee: T. Kim, H. Vázquez, M. S. Hybertsen, and L. Venkataraman, “Conductance of
molecular junctions formed with silver electrodes,” Nano Letters, vol.
13, no. 7. American Chemical Society, pp. 3358–3364, 2013.
ista: Kim T, Vázquez H, Hybertsen MS, Venkataraman L. 2013. Conductance of molecular
junctions formed with silver electrodes. Nano Letters. 13(7), 3358–3364.
mla: Kim, Taekyeong, et al. “Conductance of Molecular Junctions Formed with Silver
Electrodes.” Nano Letters, vol. 13, no. 7, American Chemical Society, 2013,
pp. 3358–64, doi:10.1021/nl401654s.
short: T. Kim, H. Vázquez, M.S. Hybertsen, L. Venkataraman, Nano Letters 13 (2013)
3358–3364.
date_created: 2024-09-09T11:32:49Z
date_published: 2013-06-03T00:00:00Z
date_updated: 2025-01-03T08:02:58Z
day: '03'
doi: 10.1021/nl401654s
extern: '1'
external_id:
pmid:
- '23731268'
fulldoi: https://doi.org/10.1021/nl401654s
intvolume: ' 13'
issue: '7'
language:
- iso: eng
month: '06'
oa_version: None
page: 3358-3364
pmid: 1
publication: Nano Letters
publication_identifier:
eissn:
- 1530-6992
issn:
- 1530-6984
publication_status: published
publisher: American Chemical Society
quality_controlled: '1'
scopus_import: '1'
status: public
title: Conductance of molecular junctions formed with silver electrodes
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 13
year: '2013'
...
---
OA_type: closed access
_id: '17997'
abstract:
- lang: eng
text: We report the simultaneous measurement of conductance and thermopower of highly
conducting single-molecule junctions using a scanning tunneling microscope-based
break-junction setup. We start with molecular backbones (alkanes and oligophenyls)
terminated with trimethyltin end groups that cleave off in situ to create junctions
where terminal carbons are covalently bonded to the Au electrodes. We apply a
thermal gradient across these junctions and measure their conductance and thermopower.
Because of the electronic properties of the highly conducting Au–C links, the
thermoelectric properties and power factor are very high. Our results show that
the molecular thermopower increases nonlinearly with the molecular length while
conductance decreases exponentially with increasing molecular length. Density
functional theory calculations show that a gateway state representing the Au–C
covalent bond plays a key role in the conductance. With this as input, we analyze
a series of simplified models and show that a tight-binding model that explicitly
includes the gateway states and the molecular backbone states accurately captures
the experimentally measured conductance and thermopower trends.
article_processing_charge: No
article_type: letter_note
author:
- first_name: J. R.
full_name: Widawsky, J. R.
last_name: Widawsky
- first_name: W.
full_name: Chen, W.
last_name: Chen
- first_name: H.
full_name: Vázquez, H.
last_name: Vázquez
- first_name: T.
full_name: Kim, T.
last_name: Kim
- first_name: R.
full_name: Breslow, R.
last_name: Breslow
- first_name: M. S.
full_name: Hybertsen, M. S.
last_name: Hybertsen
- first_name: Latha
full_name: Venkataraman, Latha
id: 9ebb78a5-cc0d-11ee-8322-fae086a32caf
last_name: Venkataraman
orcid: 0000-0002-6957-6089
citation:
ama: Widawsky JR, Chen W, Vázquez H, et al. Length-dependent thermopower of highly
conducting Au–C bonded single molecule junctions. Nano Letters. 2013;13(6):2889-2894.
doi:10.1021/nl4012276
apa: Widawsky, J. R., Chen, W., Vázquez, H., Kim, T., Breslow, R., Hybertsen, M.
S., & Venkataraman, L. (2013). Length-dependent thermopower of highly conducting
Au–C bonded single molecule junctions. Nano Letters. American Chemical
Society. https://doi.org/10.1021/nl4012276
chicago: Widawsky, J. R., W. Chen, H. Vázquez, T. Kim, R. Breslow, M. S. Hybertsen,
and Latha Venkataraman. “Length-Dependent Thermopower of Highly Conducting Au–C
Bonded Single Molecule Junctions.” Nano Letters. American Chemical Society,
2013. https://doi.org/10.1021/nl4012276.
ieee: J. R. Widawsky et al., “Length-dependent thermopower of highly conducting
Au–C bonded single molecule junctions,” Nano Letters, vol. 13, no. 6. American
Chemical Society, pp. 2889–2894, 2013.
ista: Widawsky JR, Chen W, Vázquez H, Kim T, Breslow R, Hybertsen MS, Venkataraman
L. 2013. Length-dependent thermopower of highly conducting Au–C bonded single
molecule junctions. Nano Letters. 13(6), 2889–2894.
mla: Widawsky, J. R., et al. “Length-Dependent Thermopower of Highly Conducting
Au–C Bonded Single Molecule Junctions.” Nano Letters, vol. 13, no. 6, American
Chemical Society, 2013, pp. 2889–94, doi:10.1021/nl4012276.
short: J.R. Widawsky, W. Chen, H. Vázquez, T. Kim, R. Breslow, M.S. Hybertsen, L.
Venkataraman, Nano Letters 13 (2013) 2889–2894.
date_created: 2024-09-09T11:33:33Z
date_published: 2013-05-17T00:00:00Z
date_updated: 2025-01-03T08:05:44Z
day: '17'
doi: 10.1021/nl4012276
extern: '1'
external_id:
pmid:
- '23682792'
fulldoi: https://doi.org/10.1021/nl4012276
intvolume: ' 13'
issue: '6'
language:
- iso: eng
month: '05'
oa_version: None
page: 2889-2894
pmid: 1
publication: Nano Letters
publication_identifier:
eissn:
- 1530-6992
issn:
- 1530-6984
publication_status: published
publisher: American Chemical Society
quality_controlled: '1'
scopus_import: '1'
status: public
title: Length-dependent thermopower of highly conducting Au–C bonded single molecule
junctions
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 13
year: '2013'
...
---
OA_type: closed access
_id: '17998'
abstract:
- lang: eng
text: We measure simultaneously force and conductance of Ag metal point-contacts
under ambient conditions at room temperature. We observe the formation of contacts
with a conductance close to 1 G0, the quantum of conductance, which can be attributed
to a single-atom contact, similar to those formed by Au. We also find two additional
conductance features at ∼0.4 G0 and ∼1.3 G0, which have been previously ascribed
to contacts with oxygen contaminations. Here, using a conductance cross-correlation
technique, we distinguish three different atomic-scale structural motifs and analyze
their rupture forces and stiffness. Our results allow us to assign the ∼0.4 G0
conductance feature to an Ag–O–Ag contact and the ∼1.3 G0 feature to an Ag–Ag
single-atom contact with an oxygen atom in parallel. Utilizing complementary information
from force and conductance, we thus demonstrate the correlation of conductance
with the structural evolution at the atomic scale.
article_processing_charge: No
article_type: original
author:
- first_name: Sriharsha V.
full_name: Aradhya, Sriharsha V.
last_name: Aradhya
- first_name: Michael
full_name: Frei, Michael
last_name: Frei
- first_name: András
full_name: Halbritter, András
last_name: Halbritter
- first_name: Latha
full_name: Venkataraman, Latha
id: 9ebb78a5-cc0d-11ee-8322-fae086a32caf
last_name: Venkataraman
orcid: 0000-0002-6957-6089
citation:
ama: Aradhya SV, Frei M, Halbritter A, Venkataraman L. Correlating structure, conductance,
and mechanics of silver atomic-scale contacts. ACS Nano. 2013;7(4):3706-3712.
doi:10.1021/nn4007187
apa: Aradhya, S. V., Frei, M., Halbritter, A., & Venkataraman, L. (2013). Correlating
structure, conductance, and mechanics of silver atomic-scale contacts. ACS
Nano. American Chemical Society. https://doi.org/10.1021/nn4007187
chicago: Aradhya, Sriharsha V., Michael Frei, András Halbritter, and Latha Venkataraman.
“Correlating Structure, Conductance, and Mechanics of Silver Atomic-Scale Contacts.”
ACS Nano. American Chemical Society, 2013. https://doi.org/10.1021/nn4007187.
ieee: S. V. Aradhya, M. Frei, A. Halbritter, and L. Venkataraman, “Correlating structure,
conductance, and mechanics of silver atomic-scale contacts,” ACS Nano,
vol. 7, no. 4. American Chemical Society, pp. 3706–3712, 2013.
ista: Aradhya SV, Frei M, Halbritter A, Venkataraman L. 2013. Correlating structure,
conductance, and mechanics of silver atomic-scale contacts. ACS Nano. 7(4), 3706–3712.
mla: Aradhya, Sriharsha V., et al. “Correlating Structure, Conductance, and Mechanics
of Silver Atomic-Scale Contacts.” ACS Nano, vol. 7, no. 4, American Chemical
Society, 2013, pp. 3706–12, doi:10.1021/nn4007187.
short: S.V. Aradhya, M. Frei, A. Halbritter, L. Venkataraman, ACS Nano 7 (2013)
3706–3712.
date_created: 2024-09-09T11:34:27Z
date_published: 2013-03-23T00:00:00Z
date_updated: 2025-01-03T08:07:54Z
day: '23'
doi: 10.1021/nn4007187
extern: '1'
external_id:
pmid:
- '23521342'
fulldoi: https://doi.org/10.1021/nn4007187
intvolume: ' 7'
issue: '4'
language:
- iso: eng
month: '03'
oa_version: None
page: 3706-3712
pmid: 1
publication: ACS Nano
publication_identifier:
eissn:
- 1936-086X
issn:
- 1936-0851
publication_status: published
publisher: American Chemical Society
quality_controlled: '1'
scopus_import: '1'
status: public
title: Correlating structure, conductance, and mechanics of silver atomic-scale contacts
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 7
year: '2013'
...
---
OA_type: closed access
_id: '17999'
abstract:
- lang: eng
text: The idea of using individual molecules as active electronic components provided
the impetus to develop a variety of experimental platforms to probe their electronic
transport properties. Among these, single-molecule junctions in a metal–molecule–metal
motif have contributed significantly to our fundamental understanding of the principles
required to realize molecular-scale electronic components from resistive wires
to reversible switches. The success of these techniques and the growing interest
of other disciplines in single-molecule-level characterization are prompting new
approaches to investigate metal–molecule–metal junctions with multiple probes.
Going beyond electronic transport characterization, these new studies are highlighting
both the fundamental and applied aspects of mechanical, optical and thermoelectric
properties at the atomic and molecular scales. Furthermore, experimental demonstrations
of quantum interference and manipulation of electronic and nuclear spins in single-molecule
circuits are heralding new device concepts with no classical analogues. In this
Review, we present the emerging methods being used to interrogate multiple properties
in single molecule-based devices, detail how these measurements have advanced
our understanding of the structure–function relationships in molecular junctions,
and discuss the potential for future research and applications.
article_processing_charge: No
article_type: original
author:
- first_name: Sriharsha V.
full_name: Aradhya, Sriharsha V.
last_name: Aradhya
- first_name: Latha
full_name: Venkataraman, Latha
id: 9ebb78a5-cc0d-11ee-8322-fae086a32caf
last_name: Venkataraman
orcid: 0000-0002-6957-6089
citation:
ama: Aradhya SV, Venkataraman L. Single-molecule junctions beyond electronic transport.
Nature Nanotechnology. 2013;8(6):399-410. doi:10.1038/nnano.2013.91
apa: Aradhya, S. V., & Venkataraman, L. (2013). Single-molecule junctions beyond
electronic transport. Nature Nanotechnology. Springer Nature. https://doi.org/10.1038/nnano.2013.91
chicago: Aradhya, Sriharsha V., and Latha Venkataraman. “Single-Molecule Junctions
beyond Electronic Transport.” Nature Nanotechnology. Springer Nature, 2013.
https://doi.org/10.1038/nnano.2013.91.
ieee: S. V. Aradhya and L. Venkataraman, “Single-molecule junctions beyond electronic
transport,” Nature Nanotechnology, vol. 8, no. 6. Springer Nature, pp.
399–410, 2013.
ista: Aradhya SV, Venkataraman L. 2013. Single-molecule junctions beyond electronic
transport. Nature Nanotechnology. 8(6), 399–410.
mla: Aradhya, Sriharsha V., and Latha Venkataraman. “Single-Molecule Junctions beyond
Electronic Transport.” Nature Nanotechnology, vol. 8, no. 6, Springer Nature,
2013, pp. 399–410, doi:10.1038/nnano.2013.91.
short: S.V. Aradhya, L. Venkataraman, Nature Nanotechnology 8 (2013) 399–410.
date_created: 2024-09-09T11:35:13Z
date_published: 2013-06-01T00:00:00Z
date_updated: 2025-01-03T08:10:06Z
day: '01'
doi: 10.1038/nnano.2013.91
extern: '1'
external_id:
pmid:
- '23736215'
fulldoi: https://doi.org/10.1038/nnano.2013.91
intvolume: ' 8'
issue: '6'
language:
- iso: eng
month: '06'
oa_version: None
page: 399-410
pmid: 1
publication: Nature Nanotechnology
publication_identifier:
eissn:
- 1748-3395
issn:
- 1748-3387
publication_status: published
publisher: Springer Nature
quality_controlled: '1'
scopus_import: '1'
status: public
title: Single-molecule junctions beyond electronic transport
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 8
year: '2013'
...
---
_id: '18351'
abstract:
- lang: eng
text: Motion-based segmentation is an important tool for the analysis of articulated
shapes. As such, it plays an important role in mechanical engineering, computer
graphics, and computer vision. In this chapter, we study motion-based segmentation
of 3D articulated shapes. We formulate motion-based surface segmentation as a
piecewise-smooth regularization problem for the transformations between several
poses. Using Lie-group representation for the transformation at each surface point,
we obtain a simple regularized fitting problem. An Ambrosio-Tortorelli scheme
of a generalized Mumford-Shah model gives us the segmentation functional without
assuming prior knowledge on the number of parts or even the articulated nature
of the object. Experiments on several standard datasets compare the results of
the proposed method to state-of-the-art algorithms.
alternative_title:
- Mathematics and Visualization
article_processing_charge: No
author:
- first_name: Guy
full_name: Rosman, Guy
last_name: Rosman
- first_name: Michael M.
full_name: Bronstein, Michael M.
last_name: Bronstein
- first_name: Alexander
full_name: Bronstein, Alexander
id: 58f3726e-7cba-11ef-ad8b-e6e8cb3904e6
last_name: Bronstein
orcid: 0000-0001-9699-8730
- first_name: Alon
full_name: Wolf, Alon
last_name: Wolf
- first_name: Ron
full_name: Kimmel, Ron
last_name: Kimmel
citation:
ama: 'Rosman G, Bronstein MM, Bronstein AM, Wolf A, Kimmel R. Group-Valued Regularization
for Motion Segmentation of Articulated Shapes. In: Breuß M, Bruckstein A, Maragos
P, eds. Innovations for Shape Analysis. MATHVISUAL. Berlin, Heidelberg:
Springer Nature; 2013:263-281. doi:10.1007/978-3-642-34141-0_12'
apa: 'Rosman, G., Bronstein, M. M., Bronstein, A. M., Wolf, A., & Kimmel, R.
(2013). Group-Valued Regularization for Motion Segmentation of Articulated Shapes.
In M. Breuß, A. Bruckstein, & P. Maragos (Eds.), Innovations for Shape
Analysis (pp. 263–281). Berlin, Heidelberg: Springer Nature. https://doi.org/10.1007/978-3-642-34141-0_12'
chicago: 'Rosman, Guy, Michael M. Bronstein, Alex M. Bronstein, Alon Wolf, and Ron
Kimmel. “Group-Valued Regularization for Motion Segmentation of Articulated Shapes.”
In Innovations for Shape Analysis, edited by Michael Breuß, Alfred Bruckstein,
and Petros Maragos, 263–81. MATHVISUAL. Berlin, Heidelberg: Springer Nature, 2013.
https://doi.org/10.1007/978-3-642-34141-0_12.'
ieee: 'G. Rosman, M. M. Bronstein, A. M. Bronstein, A. Wolf, and R. Kimmel, “Group-Valued
Regularization for Motion Segmentation of Articulated Shapes,” in Innovations
for Shape Analysis, M. Breuß, A. Bruckstein, and P. Maragos, Eds. Berlin,
Heidelberg: Springer Nature, 2013, pp. 263–281.'
ista: 'Rosman G, Bronstein MM, Bronstein AM, Wolf A, Kimmel R. 2013.Group-Valued
Regularization for Motion Segmentation of Articulated Shapes. In: Innovations
for Shape Analysis. Mathematics and Visualization, , 263–281.'
mla: Rosman, Guy, et al. “Group-Valued Regularization for Motion Segmentation of
Articulated Shapes.” Innovations for Shape Analysis, edited by Michael
Breuß et al., Springer Nature, 2013, pp. 263–81, doi:10.1007/978-3-642-34141-0_12.
short: G. Rosman, M.M. Bronstein, A.M. Bronstein, A. Wolf, R. Kimmel, in:, M. Breuß,
A. Bruckstein, P. Maragos (Eds.), Innovations for Shape Analysis, Springer Nature,
Berlin, Heidelberg, 2013, pp. 263–281.
date_created: 2024-10-15T11:20:54Z
date_published: 2013-04-04T00:00:00Z
date_updated: 2025-01-16T15:57:36Z
day: '04'
doi: 10.1007/978-3-642-34141-0_12
editor:
- first_name: Michael
full_name: Breuß, Michael
last_name: Breuß
- first_name: Alfred
full_name: Bruckstein, Alfred
last_name: Bruckstein
- first_name: Petros
full_name: Maragos, Petros
last_name: Maragos
extern: '1'
fulldoi: https://doi.org/10.1007/978-3-642-34141-0_12
language:
- iso: eng
month: '04'
oa_version: None
page: 263-281
place: Berlin, Heidelberg
publication: Innovations for Shape Analysis
publication_identifier:
eisbn:
- '9783642341410'
isbn:
- '9783642341403'
issn:
- 1612-3786
publication_status: published
publisher: Springer Nature
quality_controlled: '1'
scopus_import: '1'
series_title: MATHVISUAL
status: public
title: Group-Valued Regularization for Motion Segmentation of Articulated Shapes
type: book_chapter
user_id: 3E5EF7F0-F248-11E8-B48F-1D18A9856A87
year: '2013'
...