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Nonlinear heat transport in mesoscopic conductors: Rectification, Peltier effect, and Wiedemann-Franz law

AutorLópez, Rosa ; Sánchez, David
Fecha de publicación1-jul-2013
EditorAmerican Physical Society
CitaciónPhysical Review - Section B - Condensed Matter 88(4): 045129 (2013)
ResumenWe investigate nonlinear heat properties in mesoscopic conductors using a scattering theory of transport. Our approach is based on a leading-order expansion in both the electrical and thermal driving forces. Beyond linear response, the transport coefficients are functions of the nonequilibrium screening potential that builds up in the system due to interactions. Within a mean-field approximation, we self-consistently calculate the heat rectification properties of a quantum dot attached to two terminals. We discuss nonlinear contributions to the Peltier effect and find departures from the Wiedemann-Franz law in the nonlinear regime of transport. © 2013 American Physical Society.
Versión del editorhttp://dx.doi.org/10.1103/PhysRevB.88.045129
URIhttp://hdl.handle.net/10261/116562
DOI10.1103/PhysRevB.88.045129
Identificadoresdoi: 10.1103/PhysRevB.88.045129
issn: 1098-0121
e-issn: 1550-235X
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