Role of electron-electron interactions in nonlinear transport in two-dimensional electron systems

被引：58
|
作者：
Hatke, A. T. [1 ]
Zudov, M. A. [1 ]
Pfeiffer, L. N. [2 ]
West, K. W. [2 ]
机构：
[1] Univ Minnesota, Sch Phys & Astron, Minneapolis, MN 55455 USA
[2] Alcatel Lucent, Bell Labs, Murray Hill, NJ 07974 USA
来源：
PHYSICAL REVIEW B | 2009年 / 79卷 / 16期
关键词：
Dingle temperature; electron mobility; electron-electron interactions; magnetoresistance; two-dimensional electron gas; MAGNETORESISTANCE OSCILLATIONS; MICROWAVE PHOTORESISTANCE;
D O I：
10.1103/PhysRevB.79.161308
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We study the temperature evolution of the nonlinear oscillatory magnetoresistance in a high-mobility two-dimensional electron system subject to a strong dc electric field. We find that the decay of the oscillation amplitude with increasing temperature originates primarily from the increase in the quantum scattering rate entering the Dingle factor. We attribute this behavior to electron-electron interaction effects.
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页数：4
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