Spontaneous symmetry breaking of excitons in multiple-quantum-wells

被引：3
|
作者：
Piorek, T [1 ]
Hagston, WE [1 ]
Harrison, P [1 ]
机构：
[1] UNIV LEEDS,DEPT ELECTR & ELECT ENGN,LEEDS LS2 9JT,W YORKSHIRE,ENGLAND
来源：
SOLID STATE COMMUNICATIONS | 1996年 / 99卷 / 09期
关键词：
quantum wells; semiconductors;
D O I：
10.1016/0038-1098(96)00382-1
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The results of self-consistent exciton energy calculations in finite multiple-quantum-welIs with differing numbers of wells and varying barrier widths are described. The calculations show that even for a perfect system, the exciton localizes strongly in one well only. For a system with an even number of wells this leads to a spontaneous symmetry breaking. Copyright (C) 1996 Published by Elsevier Science Ltd
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页码：601 / 605
页数：5
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