COUPLED ELECTRON-HOLE TRANSPORT - BEYOND THE MEAN-FIELD APPROXIMATION

被引：76

作者：

SWIERKOWSKI, L

SZYMANSKI, J

GORTEL, ZW

机构：

[1] UNIV ALBERTA,DEPT PHYS,EDMONTON,AB T6G 2J1,CANADA

[2] TELECOM AUSTRALIA,RES LABS,CLAYTON,VIC 3168,AUSTRALIA

来源：

PHYSICAL REVIEW LETTERS | 1995年 / 74卷 / 16期

关键词：

D O I：

10.1103/PhysRevLett.74.3245

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We demonstrate that Coulomb drag between spatially separated quasi-two-dimensional electron and hole gases is strongly enhanced by Coulombic correlations. The correlations modify the carrier concentration dependence and the temperature dependence of transresistance and remove the persistent order of magnitude disagreement between the experimental data and the theories based on the mean field (random phase) approximation. Disorder scattering is shown to influence the results, particularly strongly at low concentrations. © 1995 The American Physical Society.

引用

页码：3245 / 3248

页数：4

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