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  Faster uphill relaxation in thermodynamically equidistant temperature quenches

Lapolla, A., & Godec, A. (2020). Faster uphill relaxation in thermodynamically equidistant temperature quenches. Physical Review Letters, 125(11): 110602. doi:10.1103/PhysRevLett.125.110602.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0007-11B8-6 Version Permalink: http://hdl.handle.net/21.11116/0000-0007-11BD-1
Genre: Journal Article

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Lapolla, A.1, Author              
Godec, A.1, Author              
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1Research Group of Mathematical Biophysics, MPI for Biophysical Chemistry, Max Planck Society, ou_2396692              

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 Abstract: We uncover an unforeseen asymmetry in relaxation: for a pair of thermodynamically equidistant temperature quenches, one from a lower and the other from a higher temperature, the relaxation at the ambient temperature is faster in the case of the former. We demonstrate this finding on hand of two exactly solvable many-body systems relevant in the context of single-molecule and tracer-particle dynamics. We prove that near stable minima and for all quadratic energy landscapes it is a general phenomenon that also exists in a class of non-Markovian observables probed in single-molecule and particle-tracking experiments. The asymmetry is a general feature of reversible overdamped diffusive systems with smooth single-well potentials and occurs in multiwell landscapes when quenches disturb predominantly intrawell equilibria. Our findings may be relevant for the optimization of stochastic heat engines.

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Language(s): eng - English
 Dates: 2020-09-112020-09-11
 Publication Status: Published in print
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 Rev. Type: Peer
 Identifiers: DOI: 10.1103/PhysRevLett.125.110602
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Title: Physical Review Letters
Source Genre: Journal
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Pages: 7 Volume / Issue: 125 (11) Sequence Number: 110602 Start / End Page: - Identifier: -