SPONTANEOUSLY BROKEN SYMMETRIES

被引：29
|
作者：
PEIERLS, R
机构：
[1] Nuclear Physics Laboratory, University of Oxford, Oxford, 0X13RH, Kcble Road
来源：
JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL | 1991年 / 24卷 / 22期
关键词：
D O I：
10.1088/0305-4470/24/22/011
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
This is an attempt to clarify the structure of spontaneous symmetry breaking. It is shown that there are two types of situation. In one, called here SBS1, a symmetric ground state is degenerate with an asymmetric one; in the other, SBS2, the ground state belongs to a representation other than the identical one. Some cases which look like spontaneous symmetry breaking are in fact symmetry-breaking approximations.
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页码：5273 / 5281
页数：9
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