Decoherence of domains and defects at phase transitions

被引：6
|
作者：
Lombardo, F. C.
Rivers, R. J.
Villar, P. I.
机构：
[1] Univ Buenos Aires, Fac Ciencias Exactas & Nat, Dept Fis Juan Jose Giambiagi, RA-1428 Buenos Aires, DF, Argentina
[2] Univ London Imperial Coll Sci Technol & Med, Blackett Lab, Theoret Phys Grp, London SW7 2BZ, England
来源：
PHYSICS LETTERS B | 2007年 / 648卷 / 01期
关键词：
D O I：
10.1016/j.physletb.2007.02.065
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
In this further Letter on the onset of classical behaviour in field theory due to a phase transition, we show that it can be phrased easily in terms of the decoherence functional, without having to use the master equation. To demonstrate this, we consider the decohering effects due to the displacement of domain boundaries, with implications for the displacement of defects, in general. We see that decoherence arises so quickly in this event, that it is negligible in comparison to decoherence due to field fluctuations in the way defined in our previous papers. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：64 / 69
页数：6
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