Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevE.88.052127
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dc.titleReduced density matrix for nonequilibrium steady states: A modified Redfield solution approach
dc.contributor.authorThingna, J.
dc.contributor.authorWang, J.-S.
dc.contributor.authorHänggi, P.
dc.date.accessioned2014-10-16T09:39:15Z
dc.date.available2014-10-16T09:39:15Z
dc.date.issued2013-11-20
dc.identifier.citationThingna, J., Wang, J.-S., Hänggi, P. (2013-11-20). Reduced density matrix for nonequilibrium steady states: A modified Redfield solution approach. Physical Review E - Statistical, Nonlinear, and Soft Matter Physics 88 (5) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevE.88.052127
dc.identifier.issn15393755
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/97780
dc.description.abstractWe describe a method to obtain the reduced density matrix (RDM) correct up to second order in system-bath coupling in nonequilibrium steady-state situations. The RDM is obtained via a scheme based on analytic continuation, using the time-local Redfield-like quantum master equation, which was earlier used by the same authors to obtain the correct thermal equilibrium description. This nonequilibrium modified Redfield solution is then corroborated with the exact RDM obtained via the nonequilibrium Green's function technique for the quantum harmonic oscillator. Lastly, the scheme is compared to different quantum master equations (QMEs), namely the time-local Redfield-like and the Lindblad-like QMEs, in order to illustrate the differences between each of these approaches. © 2013 American Physical Society.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1103/PhysRevE.88.052127
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentPHYSICS
dc.description.doi10.1103/PhysRevE.88.052127
dc.description.sourcetitlePhysical Review E - Statistical, Nonlinear, and Soft Matter Physics
dc.description.volume88
dc.description.issue5
dc.description.page-
dc.description.codenPLEEE
dc.identifier.isiut000327241400003
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