Twofold advance in the theoretical understanding of far-from-equilibrium properties of interacting nanostructures

被引：162

作者：

Boulat, E. ^{[1
]}

Saleur, H. ^{[2
,3
,4
]}

Schmitteckert, P. ^{[5
]}

机构：

[1] Univ Paris Diderot, Lab MPQ, CNRS, UMR 7162, F-75205 Paris 13, France

[2] CEA, Inst Phys Theor, IPhT, F-91191 Gif Sur Yvette, France

[3] CNRS, URA2306, F-91191 Gif Sur Yvette, France

[4] Univ So Calif, Dept Phys, Los Angeles, CA 90089 USA

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

来源：

PHYSICAL REVIEW LETTERS | 2008年 / 101卷 / 14期

关键词：

D O I：

10.1103/PhysRevLett.101.140601

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We calculate the full I-V characteristics at vanishing temperature in the self-dual interacting resonant level model in two ways. The first uses careful time dependent density matrix renormalization group with a large number of states per block and a representation of the reservoirs as leads subjected to a chemical potential. The other is based on integrability in the continuum limit, and generalizes early work by Fendley, Ludwig, and Saleur on the boundary sine-Gordon model. The two approaches are in excellent agreement, and uncover among other things a power law decay of the current at large voltages when U > 0.

引用

页数：4

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