WAVE-PACKETS IN A SEMICONDUCTOR SUPERLATTICE

被引：5

作者：

BIERMANN, ML

STROUD, CR

机构：

来源：

APPLIED PHYSICS LETTERS | 1991年 / 58卷 / 20期

关键词：

D O I：

10.1063/1.105234

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A theoretical study of hole wave packets in a GaAs, Al0.3Ga0.7As superlattice is presented. Formation of the wave packet by short laser pulse excitation and the time-dependent nature of the wave packet are discussed, with particular attention given to the quasi-periodic nature of the time dependence. Phenomena analogous to those displayed in atomic and molecular wave packet systems are predicted. The wave packet formalism provides a powerful tool for studying coherent hole dynamics, including quantum beat phenomena, and could be useful in determining heavy and light hole relaxation rates.

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页码：2279 / 2281

页数：3

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