Astability and negative differential resistance of the Wigner solid

被引：22
作者：
Csathy, G. A.
Tsui, D. C.
Pfeiffer, L. N.
West, K. W.
机构：
[1] Princeton Univ, Dept Elect Engn, Princeton, NJ 08544 USA
[2] Bell Labs, Lucent Technol, Murray Hill, NJ 07974 USA
来源：
PHYSICAL REVIEW LETTERS | 2007年 / 98卷 / 06期
关键词：
D O I：
10.1103/PhysRevLett.98.066805
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We report spontaneous narrow band oscillations in the high field Wigner solid. These oscillations are similar to the recently seen and yet unexplained oscillations in the reentrant integer quantum Hall states. The current-voltage characteristic has a region of negative differential resistance in the current biased setup and it is hysteretic in the voltage biased setup. As a consequence of the unusual breakdown, the oscillations in the Wigner solid are of the relaxation type.
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页数：4
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