MUTUAL FRICTION BETWEEN PARALLEL 2-DIMENSIONAL ELECTRON-SYSTEMS

被引：451

作者：

GRAMILA, TJ ^{[1
]}

EISENSTEIN, JP ^{[1
]}

MACDONALD, AH ^{[1
]}

PFEIFFER, LN ^{[1
]}

WEST, KW ^{[1
]}

机构：

[1] INDIANA UNIV,DEPT PHYS,BLOOMINGTON,IN 47405

来源：

PHYSICAL REVIEW LETTERS | 1991年 / 66卷 / 09期

关键词：

D O I：

10.1103/PhysRevLett.66.1216

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Frictional drag between isolated two-dimensional electron gases separated by a thin barrier has been observed at low temperatures in GaAs/AlGaAs double-quantum-well structures. Separate electrical connection to the two electron systems allows the injection of current into one and the detection of a small drag voltage across the other. The drag voltage is a direct measure of the interwell momentum relaxation rate. Measurements of this rate are in qualitative agreement with calculations of an interwell Coulomb scattering model.

引用

页码：1216 / 1219

页数：4

共 18 条

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