COULOMB-BLOCKADE IN 2-DIMENSIONAL ELECTRON-SYSTEMS IN A STRONG MAGNETIC-FIELD

被引：0
|
作者：
JOHANSSON, P [1 ]
KINARET, JM [1 ]
机构：
[1] NORDITA,DK-2100 COPENHAGEN O,DENMARK
来源：
PHYSICA B | 1995年 / 212卷 / 03期
关键词：
D O I：
10.1016/0921-4526(95)00044-A
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We consider tunneling in a system of two parallel two-dimensional layers of electrons in the presence of a strong perpendicular magnetic field. The tunneling current between the two layers is blockaded at low voltages due to strong correlations in each subsystem. We calculate the current-voltage characteristics by modeling the two subsystems as Wigner crystals, and find a current peak at a finite voltage. The peak is broadened by the excitation of collective modes of the Wigner crystals. Our results are in a good quantitative agreement with recent experiments.
引用
收藏
页码：278 / 282
页数：5
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