Temporal asymmetry of fluctuations in nonequilibrium steady states | Zendy

Carlo Paneni | Zendy; Debra J. Searles | Zendy; Lamberto Rondoni | Zendy

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Temporal asymmetry of fluctuations in nonequilibrium steady states

Author(s) -

Carlo Paneni,

Debra J. Searles,

Lamberto Rondoni

Publication year - 2006

Publication title -

the journal of chemical physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.071

H-Index - 357

eISSN - 1089-7690

pISSN - 0021-9606

DOI - 10.1063/1.2171964

Subject(s) - mesoscopic physics , asymmetry , non equilibrium thermodynamics , observable , statistical physics , physics , classical mechanics , condensed matter physics , quantum mechanics

Temporal asymmetries of fluctuation paths in nonequilibrium microscopic shearing systems are observed for the first time. Inspired by theories that predict asymmetry of fluctuation paths in stochastic dynamics, we focus on deterministic reversible particle models, which represent a small part of a macroscopic system. We have monitored and measured the asymmetry of the fluctuation paths of various observables as they go away from and towards the mean. The understanding of such asymmetries may scatter light on how irreversibility emerges from the microscopic reversible dynamics and on the behavior of mesoscopic (nanoscale) systems.

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