External field induced switching of a tunneling current in coupled quantum dots

被引：4
|
作者：
Mantsevich, V. N. [1 ]
Maslova, N. S. [1 ]
Arseyev, P. I. [2 ]
机构：
[1] Moscow MV Lomonosov State Univ, Fac Phys, Moscow 119991, Russia
[2] Russian Acad Sci, Lebedev Phys Inst, Moscow 119991, Russia
来源：
JETP LETTERS | 2014年 / 100卷 / 04期
基金：
俄罗斯基础研究基金会;
关键词：
MIXED-VALENCE; CHARGE; SYSTEM;
D O I：
10.1134/S0021364014160103
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We investigated the tunneling current peculiarities in the system of two quantum dots that are coupled by means of the external field and are weakly connected to the electrodes in the presence of Coulomb correlations. It was found that tuning of the Rabi frequency induces fast multiple tunneling current switching and leads to the negative tunneling conductivity. Special role of multielectron states was demonstrated. Moreover we revealed conditions for bistable behavior of the tunneling current in the coupled quantum dots with Coulomb correlations.
引用
收藏
页码：265 / 270
页数：6
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