Please use this identifier to cite or link to this item: http://buratest.brunel.ac.uk/handle/2438/13545
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dc.contributor.authorBrody, DC-
dc.contributor.authorHughston, LP-
dc.date.accessioned2016-11-25T14:51:42Z-
dc.date.available2016-10-21-
dc.date.available2016-11-25T14:51:42Z-
dc.date.issued2016-
dc.identifier.citationJournal of Physics A-Mathematical and Theoretical, 49 (42): (2016)en_US
dc.identifier.issnARTN 425302-
dc.identifier.issnhttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000385709300001&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=f12c8c83318cf2733e615e54d9ed7ad5-
dc.identifier.issn1751-8113-
dc.identifier.urihttp://bura.brunel.ac.uk/handle/2438/13545-
dc.description.abstractA model for the thermodynamics of a quantum heat bath is introduced. Under the assumption that the bath molecules have nitely many degrees of freedom and are weakly interacting, we present a general derivation of the equation of state of the bath in the thermodynamic limit. The relation between the temperature and the speci c energy of the bath depends on (i) the spectral properties of the molecules, and (ii) the choice of probability measure on the state space of a representative molecule. The results obtained illustrate how the microscopic features of the molec- ular constituents determine the macroscopic thermodynamic properties of the bath. Our ndings can thus be used to compare the merits of different hypotheses for the equilibrium states of quantum systems. Two examples of plausible choices for the probability measure are considered in detail.en_US
dc.description.sponsorshipPart of this work was completed at the Aspen Center for Physics, which is supported by National Science Foundation grant PHY-1066293.en_US
dc.format.extent? - ? (25)-
dc.languageEnglish-
dc.language.isoenen_US
dc.publisherIOP Publishing Ltden_US
dc.subjectScience & Technologyen_US
dc.subjectPhysical Sciencesen_US
dc.subjectPhysics, Multidisciplinaryen_US
dc.subjectPhysics, Mathematicalen_US
dc.subjectPhysicsen_US
dc.subjectStatistical mechanicsen_US
dc.subjectThermodynamicsen_US
dc.subjectLarge deviationsen_US
dc.subjectQuantum mechanicsen_US
dc.subjectCondensed matteren_US
dc.subjectHeat bathen_US
dc.subjectStatistical-Mechanicsen_US
dc.subjectMicrocanonical Ensembleen_US
dc.subjectInformation-Theoryen_US
dc.subjectStatesen_US
dc.titleThermodynamics of quantum heat bathen_US
dc.typeArticleen_US
dc.identifier.doihttp://dx.doi.org/10.1088/1751-8113/49/42/425302-
dc.relation.isPartOfJOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL-
pubs.issue42-
pubs.publication-statusPublished-
pubs.volume49-
Appears in Collections:Dept of Mathematics Research Papers

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