Single-impurity Anderson model out of equilibrium

被引：46

作者：

Sivan, N ^{[1
]}

Wingreen, NS ^{[1
]}

机构：

[1] NEC RES INST,PRINCETON,NJ 08540

来源：

PHYSICAL REVIEW B | 1996年 / 54卷 / 16期

关键词：

D O I：

10.1103/PhysRevB.54.11622

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Transport through a localized site connected to two leads with different chemical potentials-the Anderson model out of equilibrium-is investigated via time-loop perturbation theory. The differential conductance is obtained from an analytic expression for the site density of states, including a magnetic field. In addition to the usual Kondo peaks in the density of states which are shifted by the Zeeman energy from the chemical potentials, an additional peak is found to survive at one chemical potential for each spin if the bias exceeds the Zeeman splitting.

引用

页码：11622 / 11629

页数：8

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