Number-resolved master equation approach to quantum transport under the self-consistent Born approximation

查看全文 作　　者：LIU [1]Yu;JIN [2]JinShuang;LI [3]Jun;LI [1,4]XinQi;YAN [5]YiJing

机构地区：[1]State Key Laboratory for Superlattices and Microstructures,Institute of Semiconductors, Chinese Academy of Sciences;[2]Department of Physics, Hangzhou Normal University;[3]Beijing Computational Science Research Center;[4]Department of Physics, Beijing Normal University;[5]Department of Chemistry, Hong Kong University of Science and Technology,Kowloon, Hong Kong

出　　处：《Science China(Physics,Mechanics & Astronomy)》索引2013年第56卷第10期,共8页

基　　金：supported by the National Natural Science Foundation of China;the Major State Basic Research Project of China(Grant Nos.2011CB808502 and 2012CB932704);the Fundamental Research Funds for the Central Universities of China;supportedby the Program for Excellent Young Teachers in Hangzhou Normal University;the National Natural Science Foundation of China(Grant No.11274085) 摘　　要：We construct a particle-number(n)-resolved master equation(ME) approach under the self-consistent Born approximation(SCBA) for quantum transport through mesoscopic systems.The formulation is essentially non-Markovian and incorporates the interplay of the multi-tunneling processes and many-body correlations.The proposed n-SCBA-ME goes beyond the scope of the BornMarkov master equation,being applicable to transport under small bias voltage,in non-Markovian regime and with strong Coulomb correlations.For steady state,it can recover not only the exact result of noninteracting transport under arbitrary voltages,but also the challenging nonequilibrium Kondo efect.Moreover,the n-SCBA-ME approach is efcient for the study of shot noise.We demonstrate the application by a couple of representative examples,including particularly the nonequilibrium Kondo system. 关键词：量子输运方程玻恩近似自洽介观系统马尔可夫相互作用马尔科夫稳定状态

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Number-resolved master equation approach to quantum transport under the self-consistent Born approximation

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