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
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.
引用
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页码:5273 / 5281
页数:9
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