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Nonequilibrium steady states for interacting open systems: Exact results

机译:交互开放系统的非平衡稳态:精确结果

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摘要

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.
机译:在某些条件下,我们证明了与储层(导线)耦合的介观系统相互作用的稳态传输机制的存在。分区和无分区方案被平等对待。我们与时间有关的散射方法是精确的,除其他事项外,还证明了稳态量与样品初始状态的独立性。还推导了适用于关于相互作用强度进行微分计算的稳态电流的闭合公式。在分区的情况下,我们计算一阶校正并恢复均值(Hartree-Fock)结果。

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  • 来源
    《Physical review》 |2011年第7ptab期|p.075464.1-075464.6|共6页
  • 作者单位

    National Institute of Materials Physics, P.O. Box MG-7, Bucharest-Magurele 077125, Romania,Department of Mathematical Sciences, Aalborg University, Fredrik Bajers Vej 7G, DK-9220 Aalborg, Denmark;

    Department of Mathematical Sciences, Aalborg University, Fredrik Bajers Vej 7G, DK-9220 Aalborg, Denmark;

    Centre de Physique Theorique, CNRS, Universites de Provence, de la Mediterranee et du Sud Toulon-Var,P.O. Box 20132, F-83957 La Garde, France;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    coulomb blockade; single-electron tunneling; quantum interference devices;

    机译:库仑封锁;单电子隧道;量子干涉器件;

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