The Nambu–Goldstone theorem in nonrelativistic systems
2017 ◽
Vol 32
(21)
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pp. 1750127
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Keyword(s):
In nonrelativistic systems, when there is spontaneous symmetry breaking, the number of Nambu–Goldstone bosons [Formula: see text] are not necessarily equal to the number of broken generators [Formula: see text]. Here we use the method of operators for analyzing the necessary conditions in order to obtain the correct dispersion relation for the Nambu–Goldstone bosons.
Keyword(s):
2017 ◽
Vol 29
(03)
◽
pp. 1750009
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1976 ◽
Vol 2
(5)
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pp. 269-278
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Keyword(s):
1986 ◽
Vol 01
(01)
◽
pp. 23-27
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