STOCHASTIC RESONANCE AND NONLINEAR RESPONSE IN DOUBLE-QUANTUM-WELL STRUCTURES

被引：59
|
作者：
MAKAROV, DE
MAKRI, N
机构：
[1] School of Chemical Sciences, University of Illinois, Urbana, IL 61801
来源：
PHYSICAL REVIEW B | 1995年 / 52卷 / 04期
关键词：
D O I：
10.1103/PhysRevB.52.R2257
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Coherent motion of a wave packet in a double-quantum-well structure can be induced by irradiating it with a weak resonant laser field. The amplitude of this motion exhibits a ''stochastic resonance'' as a function of the relaxation rate in the double well and of the field amplitude. The maximum oscillation amplitude at each temperature does not depend on the field amplitude, demonstrating the failure of linear-response theory td describe the quantum stochastic resonance.
引用
收藏
页码：R2257 / R2260
页数：4
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