INFLUENCE OF 2-PARTICLE STATES (EXCITONS) ON THE DIELECTRIC FUNCTION OF THE ELECTRON-HOLE PLASMA

被引:75
作者
ROPKE, G [1 ]
DER, R [1 ]
机构
[1] ACAD SCI GDR,ZENTRALINST ISOTOPEN & STRAHLENFORSCH,DDR-701 LEIPZIG,GER DEM REP
来源
PHYSICA STATUS SOLIDI B-BASIC RESEARCH | 1979年 / 92卷 / 02期
关键词
D O I
10.1002/pssb.2220920220
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
Improvements of the RPA‐dielectric function of a plasma are investigated using the framework of Green's‐function technique which are of importance especially if bound states (excitons) are formed. It is shown that beyond the contribution of free carriers to the dielectric function a contribution due to the polarizability of the bound states arises. Copyright © 1979 WILEY‐VCH Verlag GmbH & Co. KGaA
引用
收藏
页码:501 / 510
页数:10
相关论文
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