Logo image
Fluctuation theorem convergence in a viscoelastic medium demonstrated experimentally using a dusty plasma
Journal article   Open access   Peer reviewed

Fluctuation theorem convergence in a viscoelastic medium demonstrated experimentally using a dusty plasma

Dong Huang, Shaoyu Lu, Xia-qing Shi, J. Goree and Yan Feng
Physical review. E, Vol.104(3), pp.035207-035207
09/01/2021
DOI: 10.1103/PhysRevE.104.035207
PMID: 34654197
url
https://doi.org/10.1103/PhysRevE.104.035207View
Published (Version of record) Open Access

Abstract

The convergence of the steady-state fluctuation theorem (SSFT) is investigated in a shear-flow experiment performed in a dusty plasma. This medium has a viscoelastic property characterized by the Maxwell relaxation time Tau M. Using measurements of the time series of the entropy production rate, for subsystems of various sizes, it is discovered that the SSFT convergence time decreases with the increasing system size until it eventually reaches a minimum value of Tau M, no matter the size of the subsystem. This result indicates that the convergence of the SSFT is limited by the energy-storage property of the viscoelastic medium.
Physical Sciences Physics Physics, Fluids & Plasmas Physics, Mathematical Science & Technology

Details

Metrics

Logo image