Bell correlations in spin-squeezed states of 500 000 atoms
Engelsen N, Krishnakumar R, Hosten O, Kasevich M. 2017. Bell correlations in spin-squeezed states of 500 000 atoms. Physical Review Letters. 118(14).
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Journal Article
| Published
| English
Author
Engelsen, Nils;
Krishnakumar, Rajiv;
Hosten, OnurISTA 
;
Kasevich, Mark
;
Kasevich, MarkAbstract
Bell correlations, indicating nonlocality in composite quantum systems, were until recently only seen in small systems. Here, we demonstrate Bell correlations in squeezed states of 5×105 Rb87 atoms. The correlations are inferred using collective measurements as witnesses and are statistically significant to 124 standard deviations. The states are both generated and characterized using optical-cavity aided measurements.
Publishing Year
Date Published
2017-04-03
Journal Title
Physical Review Letters
Publisher
American Physical Society
Volume
118
Issue
14
IST-REx-ID
Cite this
Engelsen N, Krishnakumar R, Hosten O, Kasevich M. Bell correlations in spin-squeezed states of 500 000 atoms. Physical Review Letters. 2017;118(14). doi:10.1103/PhysRevLett.118.140401
Engelsen, N., Krishnakumar, R., Hosten, O., & Kasevich, M. (2017). Bell correlations in spin-squeezed states of 500 000 atoms. Physical Review Letters. American Physical Society. https://doi.org/10.1103/PhysRevLett.118.140401
Engelsen, Nils, Rajiv Krishnakumar, Onur Hosten, and Mark Kasevich. “Bell Correlations in Spin-Squeezed States of 500 000 Atoms.” Physical Review Letters. American Physical Society, 2017. https://doi.org/10.1103/PhysRevLett.118.140401.
N. Engelsen, R. Krishnakumar, O. Hosten, and M. Kasevich, “Bell correlations in spin-squeezed states of 500 000 atoms,” Physical Review Letters, vol. 118, no. 14. American Physical Society, 2017.
Engelsen N, Krishnakumar R, Hosten O, Kasevich M. 2017. Bell correlations in spin-squeezed states of 500 000 atoms. Physical Review Letters. 118(14).
Engelsen, Nils, et al. “Bell Correlations in Spin-Squeezed States of 500 000 Atoms.” Physical Review Letters, vol. 118, no. 14, American Physical Society, 2017, doi:10.1103/PhysRevLett.118.140401.
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