Dynamical exchange corrections to the dielectric function in a two-dimensional electron gas

被引：2

作者：

Hameeuw, KJ ^{[1
]}

Brosens, F ^{[1
]}

Devreese, JT ^{[1
]}

机构：

[1] UIA, Dept Natuurkunde, B-2610 Antwerp, Belgium

来源：

SOLID STATE COMMUNICATIONS | 2003年 / 125卷 / 09期

关键词：

electron interactions; dielectric response;

D O I：

10.1016/S0038-1098(02)00886-4

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The effect of dynamical exchange interactions on the dielectric function of a two-dimensional electron gas is studied using a variational approach. Exchange effects are introduced via the local-field correction. The variationally obtained local-field factor is compared to the earlier perturbative result to first order in the electron-electron interaction. (C) 2003 Elsevier Science Ltd. All rights reserved.

引用

页码：481 / 484

页数：4

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