Nonequilibrium transport in quantum impurity models: The Bethe ansatz for open systems

被引：171

作者：

Mehta, Pankaj ^{[1
]}

Andrei, Natan ^{[1
]}

机构：

[1] Rutgers State Univ, Ctr Mat Theory, Piscataway, NJ 08854 USA

来源：

PHYSICAL REVIEW LETTERS | 2006年 / 96卷 / 21期

关键词：

D O I：

10.1103/PhysRevLett.96.216802

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We develop an exact nonperturbative framework to compute steady-state properties of quantum impurities subject to a finite bias. We show that the steady-state physics of these systems is captured by nonequilibrium scattering eigenstates which satisfy an appropriate Lippman-Schwinger equation. Introducing a generalization of the equilibrium Bethe ansatz-the nonequilibrium Bethe ansatz-we explicitly construct the scattering eigenstates for the interacting resonance level model and derive exact, nonperturbative results for the steady-state properties of the system.

引用

页数：4

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