Universität zu Köln

Altland, Alexander, De Martino, Alessandro ORCID: 0000-0002-3656-0419, Egger, Reinhold ORCID: 0000-0001-5451-1883 and Narozhny, Boris ORCID: 0000-0001-7933-2945 (2010). Fluctuation Relations and Rare Realizations of Transport Observables. Phys. Rev. Lett., 105 (17). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1079-7114

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Abstract

Fluctuation relations establish rigorous identities for the nonequilibrium averages of observables. Starting from a general transport master equation with time-dependent rates, we employ the stochastic path integral approach to study statistical fluctuations around such averages. We show how under nonequilibrium conditions, rare realizations of transport observables are crucial and imply massive fluctuations that may completely mask such identities. Quantitative estimates for these fluctuations are provided. We illustrate our results on the paradigmatic example of a mesoscopic RC circuit.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Altland, Alexander UNSPECIFIED UNSPECIFIED UNSPECIFIED De Martino, Alessandro UNSPECIFIED orcid.org/0000-0002-3656-0419 UNSPECIFIED Egger, Reinhold UNSPECIFIED orcid.org/0000-0001-5451-1883 UNSPECIFIED Narozhny, Boris UNSPECIFIED orcid.org/0000-0001-7933-2945 UNSPECIFIED
URN:	urn:nbn:de:hbz:38-494202
DOI:	10.1103/PhysRevLett.105.170601
Journal or Publication Title:	Phys. Rev. Lett.
Volume:	105
Number:	17
Date:	2010
Publisher:	AMER PHYSICAL SOC
Place of Publication:	COLLEGE PK
ISSN:	1079-7114
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language FREE-ENERGY DIFFERENCES; NONEQUILIBRIUM THERMODYNAMICS; SYSTEMS; THEOREM; DISSIPATION Multiple languages Physics, Multidisciplinary Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/49420