---
DOAJ_listed: '1'
OA_place: publisher
OA_type: gold
PlanS_conform: '1'
_id: '20402'
abstract:
- lang: eng
  text: The recent classification of the onset of turbulence as a directed percolation
    (DP) phase transition has been applied to all major shear flows including pipe,
    channel, Couette and boundary layer flows. A cornerstone of the DP analogy is
    the memoryless (Poisson) property of turbulent sites. We here show that, for the
    classic case of channel flow, neither the decay nor the proliferation of turbulent
    stripes is memoryless. As demonstrated by a standard analysis of the respective
    survival curves, isolated channel stripes, in the immediate vicinity of the critical
    point, age. Consequently, the one to one mapping between turbulent stripes and
    active DP-sites is not fulfilled in this low Reynolds number regime. In addition,
    the interpretation of turbulence as a chaotic saddle with supertransient properties,
    the basis of recent theoretical progress, does not apply to individual localized
    stripes. The discrepancy between channel flow and the transition models established
    for pipe and Couette flow, illustrates that seemingly minor geometrical differences
    between flows can give rise to instabilities and growth mechanisms that fundamentally
    alter the nature of the transition to turbulence.
acknowledgement: This work was supported by a grant from the Simons Foundation (662960,
  BH). We thank Yohann Duguet for helpful discussions, Baofang Song for the initial
  adaptation of openpipeflow57 to the channel geometry, and Ashley P. Willis for openpipeflow57.
article_number: '8447'
article_processing_charge: Yes
article_type: original
arxiv: 1
author:
- first_name: Mukund
  full_name: Vasudevan, Mukund
  id: 3C5A959A-F248-11E8-B48F-1D18A9856A87
  last_name: Vasudevan
- first_name: Chaitanya S
  full_name: Paranjape, Chaitanya S
  id: 3D85B7C4-F248-11E8-B48F-1D18A9856A87
  last_name: Paranjape
- first_name: Michael Philip
  full_name: Sitte, Michael Philip
  id: 0ba0f1f2-9cfe-11f0-bee6-f95318d225b0
  last_name: Sitte
- first_name: Gökhan
  full_name: Yalniz, Gökhan
  id: 66E74FA2-D8BF-11E9-8249-8DE2E5697425
  last_name: Yalniz
  orcid: 0000-0002-8490-9312
- first_name: Björn
  full_name: Hof, Björn
  id: 3A374330-F248-11E8-B48F-1D18A9856A87
  last_name: Hof
  orcid: 0000-0003-2057-2754
citation:
  ama: Vasudevan M, Paranjape CS, Sitte MP, Yalniz G, Hof B. Aging and memory of transitional
    turbulence. <i>Nature Communications</i>. 2025;16. doi:<a href="https://doi.org/10.1038/s41467-025-63044-7">10.1038/s41467-025-63044-7</a>
  apa: Vasudevan, M., Paranjape, C. S., Sitte, M. P., Yalniz, G., &#38; Hof, B. (2025).
    Aging and memory of transitional turbulence. <i>Nature Communications</i>. Springer
    Nature. <a href="https://doi.org/10.1038/s41467-025-63044-7">https://doi.org/10.1038/s41467-025-63044-7</a>
  chicago: Vasudevan, Mukund, Chaitanya S Paranjape, Michael Philip Sitte, Gökhan
    Yalniz, and Björn Hof. “Aging and Memory of Transitional Turbulence.” <i>Nature
    Communications</i>. Springer Nature, 2025. <a href="https://doi.org/10.1038/s41467-025-63044-7">https://doi.org/10.1038/s41467-025-63044-7</a>.
  ieee: M. Vasudevan, C. S. Paranjape, M. P. Sitte, G. Yalniz, and B. Hof, “Aging
    and memory of transitional turbulence,” <i>Nature Communications</i>, vol. 16.
    Springer Nature, 2025.
  ista: Vasudevan M, Paranjape CS, Sitte MP, Yalniz G, Hof B. 2025. Aging and memory
    of transitional turbulence. Nature Communications. 16, 8447.
  mla: Vasudevan, Mukund, et al. “Aging and Memory of Transitional Turbulence.” <i>Nature
    Communications</i>, vol. 16, 8447, Springer Nature, 2025, doi:<a href="https://doi.org/10.1038/s41467-025-63044-7">10.1038/s41467-025-63044-7</a>.
  short: M. Vasudevan, C.S. Paranjape, M.P. Sitte, G. Yalniz, B. Hof, Nature Communications
    16 (2025).
corr_author: '1'
date_created: 2025-09-27T13:27:31Z
date_published: 2025-09-26T00:00:00Z
date_updated: 2025-12-01T12:40:27Z
day: '26'
ddc:
- '532'
department:
- _id: BjHo
doi: 10.1038/s41467-025-63044-7
external_id:
  arxiv:
  - '2112.06537'
  isi:
  - '001582555200041'
file:
- access_level: open_access
  checksum: 945926ead9cde464435d456427e2869e
  content_type: application/pdf
  creator: gyalniz
  date_created: 2025-09-27T13:32:03Z
  date_updated: 2025-09-27T13:32:03Z
  file_id: '20403'
  file_name: s41467-025-63044-7.pdf
  file_size: 2226082
  relation: main_file
file_date_updated: 2025-09-27T13:32:03Z
has_accepted_license: '1'
intvolume: '        16'
isi: 1
language:
- iso: eng
month: '09'
oa: 1
oa_version: Published Version
project:
- _id: 238598C6-32DE-11EA-91FC-C7463DDC885E
  grant_number: '662960'
  name: Revisiting the Turbulence Problem Using Statistical Mechanics
publication: Nature Communications
publication_identifier:
  eissn:
  - 2041-1723
publication_status: published
publisher: Springer Nature
quality_controlled: '1'
scopus_import: '1'
status: public
title: Aging and memory of transitional turbulence
tmp:
  image: /images/cc_by.png
  legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
  name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
  short: CC BY (4.0)
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 16
year: '2025'
...