Decoherence as thermodynamic limit of the unitary evolution in quantum mechanics

被引:12
作者
Frasca, M
机构
[1] 00176 Rome, Via Erasmo Gattamelata
关键词
D O I
10.1016/S0375-9601(01)00273-0
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We show that decoherence can be an intrinsic property of the unitary evolution in quantum mechanics when the number of particles becomes very large. This is due to the washing out of quantum fluctuations in this Limit. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:271 / 275
页数:5
相关论文
共 19 条
[1]  
ALEINER IL, CONDMAT0010228
[2]  
[Anonymous], 1996, DECOHERENCE APPEARAN
[3]  
BENETI G, QUANTPH0009084
[4]  
Bonifacio R, 1999, NUOVO CIMENTO B, V114, P473
[5]   Model-independent approach to nondissipative decoherence [J].
Bonifacio, R ;
Olivares, S ;
Tombesi, P ;
Vitali, D .
PHYSICAL REVIEW A, 2000, 61 (05) :8
[6]  
BOUWMEESTER D, 2000, PHYSICS QUANTUM INFO
[7]   PATH INTEGRAL APPROACH TO QUANTUM BROWNIAN-MOTION [J].
CALDEIRA, AO ;
LEGGETT, AJ .
PHYSICA A, 1983, 121 (03) :587-616
[8]   INFLUENCE OF DAMPING ON QUANTUM INTERFERENCE - AN EXACTLY SOLUBLE MODEL [J].
CALDEIRA, AO ;
LEGGETT, AJ .
PHYSICAL REVIEW A, 1985, 31 (02) :1059-1066
[9]  
COHENTANNOUDJI C, 1992, ATOMPHOTON INTERACTI
[10]  
Feynman R. P., 1972, STAT MECH