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Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/3438
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dc.contributor.authorSaito, Keiji-
dc.contributor.authorDhar, Abhishek-
dc.date.accessioned2008-03-08T04:21:25Z-
dc.date.available2008-03-08T04:21:25Z-
dc.date.issued2007-10-
dc.identifier.citationPhysical Review Letters, 2007, Vol.99, 180601en
dc.identifier.issnE-ISSN(s): 1079-7114-
dc.identifier.issnP-ISSN(s): 0031-9007-
dc.identifier.urihttp://hdl.handle.net/2289/3438-
dc.descriptionOpen Access.en
dc.description.abstractWe consider steady-state heat conduction across a quantum harmonic chain connected to reservoirs modeled by infinite collection of oscillators. The heat, Q, flowing across the oscillator in a time interval tau is a stochastic variable and we study the probability distribution function P(Q). We compute the exact generating function of Q at large tau and the large deviation function. The generating function has a symmetry satisfying the steady-state fluctuation theorem without any quantum corrections. The distribution P(Q) is non-Gaussian with clear exponential tails. The effect of finite tau and nonlinearity is considered in the classical limit through Langevin simulations. We also obtain the prediction of quantum heat current fluctuations at low temperatures in clean wires.en
dc.format.extent246213 bytes-
dc.format.mimetypeapplication/pdf-
dc.language.isoenen
dc.publisherThe American Physical Societyen
dc.relation.urihttp://dx.doi.org/10.1103/PhysRevLett.99.180601en
dc.rights2007 The American Physical Societyen
dc.titleFluctuation theorem in quantum heat conductionen
dc.typeArticleen
Appears in Collections:Research Papers (TP)

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