Wannier-Stark resonances in semiconductor superlattices -: art. no. 115302

被引：22
|
作者：
Glück, M
Kolovsky, AR
Korsch, HJ
Zimmer, F
机构：
[1] Univ Kaiserslautern, Fachbereich Phys, D-67653 Kaiserslautern, Germany
[2] LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
来源：
PHYSICAL REVIEW B | 2002年 / 65卷 / 11期
关键词：
D O I：
10.1103/PhysRevB.65.115302
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Wannier-Stark states for semiconductor superlattices in strong static fields, where the interband Landau-Zener tunneling cannot be neglected, are rigorously calculated. The lifetime of these metastable states was found to show multiscale oscillations as a function of the static field, which is explained by an interaction with above-barrier resonances. An equation, expressing the absorption spectrum of semiconductor superlattices in terms of the resonance Wannier-Stark states, is obtained and used to calculate the absorption spectrum in the region of high static fields.
引用
收藏
页码：1153021 / 1153029
页数：9
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