SURVIVAL PROBABILITY AND CHAOS IN AN OPEN QUANTUM SYSTEM

被引：20
|
作者：
TAMESHTIT, A [1 ]
SIPE, JE [1 ]
机构：
[1] UNIV TORONTO, ONTARIO LASER & LIGHTWAVE RES CTR, TORONTO M5S 1A7, ONTARIO, CANADA
来源：
PHYSICAL REVIEW A | 1992年 / 45卷 / 11期
关键词：
D O I：
10.1103/PhysRevA.45.8280
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We investigate the quantum survival probability function (SPF) in regular and chaotic systems coupled to a reservoir via a particular quantum-nondemolition coupling. We show that for certain initial conditions the averaged SPF is markedly different in these two kinds of systems. We also relate this SPF to the averaged off-diagonal elements of the density matrix in the pointer basis.
引用
收藏
页码：8280 / 8283
页数：4
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