PLASMON EXCITATIONS IN ONE-DIMENSIONAL LATERAL-QUANTUM-WIRE SUPERLATTICES

被引：54
|
作者：
LI, Q
DASSARMA, S
机构：
来源：
PHYSICAL REVIEW B | 1990年 / 41卷 / 14期
关键词：
D O I：
10.1103/PhysRevB.41.10268
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We calculate the collective excitation spectrum of a lateral-quantum-wire superlattice in the weak-tunneling limit. Within the random-phase approximation, we derive and discuss the dispersion relation for both intrasubband and intersubband excitations and consider the mode coupling between them. We also discuss how the tunneling effect modifies the plasmon dispersion. Our results agree with the recent far-infrared spectroscopic experiment. © 1990 The American Physical Society.
引用
收藏
页码：10268 / 10271
页数：4
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