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  Interface Roughening in Nonequilibrium Phase-Separated Systems

Besse, M., Fausti, G., Cates, M. E., Delamotte, B., & Nardini, C. (2023). Interface Roughening in Nonequilibrium Phase-Separated Systems. Physical Review Letters, 130(18): 187102. doi:10.1103/PhysRevLett.130.187102.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000D-56D6-1 Version Permalink: https://hdl.handle.net/21.11116/0000-000D-56D7-0
Genre: Journal Article

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PhysRevLett.130.187102.pdf (Publisher version), 449KB
 
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Besse, M., Author
Fausti, Giordano1, Author                 
Cates, M. E., Author
Delamotte, B., Author
Nardini, C., Author
Affiliations:
1Department of Living Matter Physics, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2570692              

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 Abstract: Interfaces of phase-separated systems roughen in time due to capillary waves. Because of fluxes in the bulk, their dynamics is nonlocal in real space and is not described by the Edwards-Wilkinson or Kardar-Parisi-Zhang (KPZ) equations, nor their conserved counterparts. We show that, in the absence of detailed balance, the phase-separated interface is described by a new universality class that we term |q|KPZ. We compute the associated scaling exponents via one-loop renormalization group and corroborate the results by numerical integration of the |q|KPZ equation. Deriving the effective interface dynamics from a minimal field theory of active phase separation, we finally argue that the |q|KPZ universality class generically describes liquid-vapor interfaces in two- and three-dimensional active systems.

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Language(s): eng - English
 Dates: 2023-05-03
 Publication Status: Published online
 Pages: -
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1103/PhysRevLett.130.187102
 Degree: -

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Project name : NUMERICS
Grant ID : 800945
Funding program : Horizon 2020 (H2020)
Funding organization : European Commission (EC)
Project name : This work was funded in part by the European Research Council under the Horizon 2020 Programme, ERC Grant Agreement No. 740269, and by the National Science Foundation under Grant No. NSF PHY-1748958, NIH Grant No. R25GM067110, and the Gordon and Betty Moore Foundation Grant No. 2919.02. This work was funded in part by the support from the Institut National de Physique under the grant Instabilities and Fluctuations in Active Matter models: from dry to wet. M. E. C. is funded by the Royal Society. C. N. acknowledges the support of an Aide Investissements d’Avenir du LabEx PALM (ANR-10-LABX-0039-PALM).
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Funding organization : -
Project name : NeqFluids
Grant ID : ANR-18-CE92-0019
Funding program : -
Funding organization : French ANR
Project name : ADSNeSP
Grant ID : 740269
Funding program : Horizon 2020 (H2020)
Funding organization : European Commission (EC)

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Title: Physical Review Letters
  Abbreviation : Phys. Rev. Lett.
Source Genre: Journal
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Publ. Info: Woodbury, N.Y. : American Physical Society
Pages: - Volume / Issue: 130 (18) Sequence Number: 187102 Start / End Page: - Identifier: ISSN: 0031-9007
CoNE: https://pure.mpg.de/cone/journals/resource/954925433406_1