Fluctuation relations without microreversibility in nonlinear transport

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dc.creatorForster, H.
dc.creatorButtiker, M.
dc.date2008-05-03
dc.date2008-10-29
dc.date.accessioned2026-07-07T10:13:32Z
dc.date.available2026-07-07T10:13:32Z
dc.descriptionIn linear transport, the fluctuation-dissipation theorem relates equilibrium current correlations to the linear conductance coefficient. For nonlinear transport, there exist fluctuation relations that rely on Onsager's principle of microscopic reversibility away from equilibrium. However, both theory and experiments have shown deviations from microreversibility in the form of magnetic field asymmetric current-voltage relations. We present novel fluctuation relations for nonlinear transport in the presence of magnetic fields that relate current correlation functions at any order at equilibrium to response coefficients of current cumulants of lower order. We illustrate our results with the example of an electrical Mach-Zehnder interferometer.
dc.description6 pages including 2 figures -- Two appendices contain material that is not in the Journal version: A) Derivation of the fluctuation relation; B) Symmetry point of the generating function
dc.identifierhttps://arxiv.org/abs/0805.0362
dc.identifierhttp://arxiv.org/abs/0805.0362
dc.identifierPhys. Rev. Lett. 101, 136805 (2008)
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/172563
dc.subjectMesoscale and Nanoscale Physics
dc.subjectStatistical Mechanics
dc.titleFluctuation relations without microreversibility in nonlinear transport
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