Real-time renormalization group and charge fluctuations in quantum dots

被引：104

作者：

Schoeller, H ^{[1
]}

König, J

机构：

[1] Forschungszentrum Karlsruhe, Inst Nanotechnol, D-76021 Karlsruhe, Germany

[2] Univ Karlsruhe, Inst Theoret Festkorperphys, D-76128 Karlsruhe, Germany

[3] Indiana Univ, Dept Phys, Bloomington, IN 47405 USA

来源：

PHYSICAL REVIEW LETTERS | 2000年 / 84卷 / 16期

关键词：

D O I：

10.1103/PhysRevLett.84.3686

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We develop a perturbative renormalization-group method in real time to describe nonequilibrium properties of discrete quantum systems coupled linearly to an environment. We include energy broadening and dissipation and develop a cutoff-independent formalism. We present quantitatively reliable results for the linear and nonlinear conductance in the mixed-valence and empty-orbital regime of the nonequilibrium Anderson impurity model with finite on-site Coulomb repulsion.

引用

页码：3686 / 3689

页数：4

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