Transport in multilevel quantum dots:: From the Kondo effect to the Coulomb blockade regime

被引：65
|
作者：
Yeyati, AL [1 ]
Flores, F [1 ]
Martín-Rodero, A [1 ]
机构：
[1] Univ Autonoma Madrid, Dept Fis Teor Mat Condensada C V, E-28049 Madrid, Spain
来源：
PHYSICAL REVIEW LETTERS | 1999年 / 83卷 / 03期
关键词：
D O I：
10.1103/PhysRevLett.83.600
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A new theoretical method is introduced to study coherent electron transport in an interacting multilevel quantum dot. The method yields the correct behavior in the limit of both weak and strong coupling to the leads, giving a unified description of the Coulomb blockade and the Kondo effect. Results for the density of states and the temperature-dependent conductance for a two-level dot are presented. The relevance of these results in connection to recent experiments on the Kondo effect in semiconducting quantum dots is discussed.
引用
收藏
页码：600 / 603
页数：4
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