QUANTUM DECOHERENCE AND CLASSICAL CORRELATION IN QUANTUM-MECHANICS

被引:39
作者
MORIKAWA, M
机构
[1] Department of Physics, University of British Columbia, Vancouver, BC
来源
PHYSICAL REVIEW D | 1990年 / 42卷 / 08期
关键词
D O I
10.1103/PhysRevD.42.2929
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We study two conditions for the quantum system to behave classically: decoherence in the quantum interference and the establishment of the classical trajectory in phase space. We show, despite the fact that these two conditions partially conflict with each other, the upside-down harmonic oscillator with a diffusion term satisfies them simultaneously. The implications for quantum cosmology and the measurement theory of quantum mechanics are given. © 1990 The American Physical Society.
引用
收藏
页码:2929 / 2932
页数:4
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