The length of time's arrow

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dc.creatorFeng, Edward H.
dc.creatorCrooks, Gavin E.
dc.date2008-08-29
dc.date.accessioned2026-07-07T11:45:41Z
dc.date.available2026-07-07T11:45:41Z
dc.descriptionAn unresolved problem in physics is how the thermodynamic arrow of time arises from an underlying time reversible dynamics. We contribute to this issue by developing a measure of time-symmetry breaking, and by using the work fluctuation relations, we determine the time asymmetry of recent single molecule RNA unfolding experiments. We define time asymmetry as the Jensen-Shannon divergence between trajectory probability distributions of an experiment and its time-reversed conjugate. Among other interesting properties, the length of time's arrow bounds the average dissipation and determines the difficulty of accurately estimating free energy differences in nonequilibrium experiments.
dc.identifierhttps://arxiv.org/abs/0809.0025
dc.identifierhttp://arxiv.org/abs/0809.0025
dc.identifierPhys.Rev.Lett.101:090602,2008
dc.identifierdoi:10.1103/PhysRevLett.101.090602
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/201962
dc.subjectStatistical Mechanics
dc.titleThe length of time's arrow
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