STARK LADDERS IN STRONGLY COUPLED GAAS-ALAS SUPERLATTICES

被引：32
|
作者：
DEGANI, MH
机构：
[1] Departamento de Física e Ciência dos Materiais, Instituto de Física e Química de São Carlos, Universidade de São Paulo, 13560 Sao Carlos, Sao Paulo
来源：
APPLIED PHYSICS LETTERS | 1991年 / 59卷 / 01期
关键词：
D O I：
10.1063/1.105521
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The energy spectrum of a superlattice in the presence of an electric field is calculated using the split time scheme. It is shown that even for a low field two interpenetrating Stark ladders exist in a GaAs-AlAs superlattice and the spacing between the energy levels in each of the ladders is eEd. When the external field is increased the number of ladders with the same period eEd is also increased.
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页码：57 / 59
页数：3
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