Order from disorder in closed systems via time-reversal violation

被引：3

作者：

Goldman, T. ^{[1
]}

Sharp, D. H. ^{[1
]}

机构：

[1] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA

来源：

EPL | 2012年 / 97卷 / 06期

关键词：

BARYOGENESIS; UNIVERSE;

D O I：

10.1209/0295-5075/97/61003

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Definitions of entropy usually assume time-reversal (T) invariance of interactions, yet microscopically T is known to be violated. We present a detailed computational example of (uncharged) particle species separation (Maxwell demon) using an interaction that violates both parity (P) and T so that PT is preserved, consistent with the CPT invariance required in quantum field theory (C is charge conjugation). This illustrates how T-violating forces can produce more organized states from disorganized ones, contrary to expectations based on increase of entropy. We also outline several scenarios in which T-violating forces could lead to an organized state in the early Universe, starting from a still earlier disorganized state. Copyright (C) EPLA, 2012

引用

页数：6

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