A dynamic scattering approach for a gated interacting wire

被引：69
|
作者：
Safi, I [1 ]
机构：
[1] CEA, Ctr Etud Saclay, Serv Phys Etat Condense, F-91191 Gif Sur Yvette, France
[2] CNRS, Ctr Phys Theor, F-13288 Marseille 9, France
来源：
EUROPEAN PHYSICAL JOURNAL B | 1999年 / 12卷 / 03期
关键词：
D O I：
10.1007/s100510051026
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
A scattering approach for correlated one-dimensional systems is developed. The perfect contact to charge reservoirs is encoded in time-dependent boundary conditions. The conductance matrix for an arbitrary gated wire, respecting charge conservation, is expressed through a dynamic scattering matrix. Two applications are developed. First, it is shown that the de conductance is equal to e(2)/h for any model with conserved total left- and right-moving charges. Second, the ac conductance matrix is explicitly computated for the Tomonaga-Luttinger model (TLL).
引用
收藏
页码：451 / 455
页数：5
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