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Article Dans Une Revue Physical Review B: Condensed Matter and Materials Physics (1998-2015) Année : 2011

Nonequilibrium steady states for interacting open systems: Exact results

Résumé

Under certain conditions, we prove the existence of a steady-state transport regime for interacting mesoscopic systems coupled to reservoirs (leads). The partitioning and partition-free scenarios are treated on an equal footing. Our time-dependent scattering approach is exact and proves, among other things, the independence of the steady-state quantities from the initial state of the sample. Closed formulas for the steady-state current amenable for perturbative calculations with regard to the interaction strength are also derived. In the partitioning case, we calculate the first-order correction and recover the mean-field (Hartree-Fock) results.
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Dates et versions

hal-00633248 , version 1 (18-10-2011)

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Claude-Alain Pillet, Horia Decebal Cornean, Valeriu Moldoveanu. Nonequilibrium steady states for interacting open systems: Exact results. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2011, 84, pp.075464. ⟨10.1103/PhysRevB.84.075464⟩. ⟨hal-00633248⟩
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