Quantum dissipative systems from theory of continuous measurements

被引：15
|
作者：
Mensky, MB
Stenholm, S
机构：
[1] PN Lebedev Phys Inst, Moscow 117924, Russia
[2] Royal Inst Technol, KTH, Stockholm, Sweden
来源：
PHYSICS LETTERS A | 2003年 / 308卷 / 04期
基金：
俄罗斯基础研究基金会;
关键词：
D O I：
10.1016/S0375-9601(03)00057-4
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We apply the restricted-path-integral (RPI) theory of non-minimally disturbing continuous measurements for correct description of frictional Brownian motion. The resulting master equation is automatically of the Lindblad form, so that the difficulties typical of other approaches do not exist. In the special case of harmonic oscillator the known familiar master equation describing its frictionally driven Brownian motion is obtained. A thermal reservoir as a measuring environment is considered. (C) 2003 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：243 / 248
页数：6
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