Quantum Zeno Control of Decoherence

被引：2
|
作者：
Maniscalco, S. [1 ]
机构：
[1] Univ Turku, Dept Phys & Astron, Turku Ctr Quantum Phys, FI-20014 Turku, Finland
来源：
LASER PHYSICS | 2010年 / 20卷 / 05期
基金：
芬兰科学院;
关键词：
BROWNIAN-MOTION; MASTER EQUATION; STATES; SYSTEM; DECAY; TEMPERATURE; WAVE;
D O I：
10.1134/S1054660X10090094
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate the possibility of controlling the quantum to classical transition by means of the quantum Zeno and anti-Zeno effects. We consider a quantum harmonic oscillator initially prepared in a Schrodinger cat state and interacting with an engineered amplitude reservoir. We show that the environment induced decoherence transforming the cat state into a statistical mixture can be strongly inhibited by means of either appropriate sequences of measurements or shuttered reservoirs.
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页码：1251 / 1261
页数：11
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