Rigorous results of nonequilibrium statistical physics and their experimental verification

Year: 2011

Authors: Pitaevskii L.P.

Autors Affiliation: Russian Acad Sci, PL Kapitza Inst Phys Problems, Moscow 119334, Russia; Univ Trento, INO CNR BEC Ctr, I-38123 Povo, Trento, Italy; Univ Trento, Dipartimento Fis, I-38123 Povo, Trento, Italy.

Abstract: Rigorous relations of nonequilibrium statistical physics are discussed. An arbitrary system brought into a strongly nonequilibrium state by an external time-dependent impact is considered. Based on the Hamiltonian formalism of classical mechanics, the Bochkov-Kuzovlev equality, the Jarzynski equality, and Crooks reversal relations valid for fluctuations in the work done on a system are derived. Verification of these equalities in mechanical experiments with a torsion pendulum and biological objects (folded ribonucleic acids) is described.

Journal/Review: PHYSICS-USPEKHI

Volume: 54 (6)      Pages from: 625  to: 632

KeyWords: Fluctuation-dissipation Relations; Irreversible-processes; Reciprocal Relations; Stochastic-models; Thermodynamics; Equality; Theorem
DOI: 10.3367/UFNe.0181.201106d.0647

Citations: 15
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