A functional renormalization group approach to non-equilibrium properties of mesoscopic interacting quantum systems

被引：2
|
作者：
Pruschke, Th. [1 ]
Dirks, A. [1 ]
Gezzi, R. [1 ]
机构：
[1] Univ Gottingen, Inst Theoret Phys, D-37077 Gottingen, Germany
来源：
PHYSICA B-CONDENSED MATTER | 2009年 / 404卷 / 19期
关键词：
Non-equilibrium; Quantum dot; Single-impurity Anderson model; Functional renormalization group; TRANSPORT; COLLOQUIUM;
D O I：
10.1016/j.physb.2009.07.071
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We present an extension of the concepts of the functional renormalization group approach to quantum many-body problems in non-equilibrium situations. The approach is completely general and allows calculations for both stationary and time-dependent situations. As a specific example we study the stationary state transport through a quantum dot with local Coulomb correlations. We discuss the influence of finite bias voltage and temperature on the current and conductance. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：3141 / 3146
页数：6
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