Spontaneous Breakdown of Symmetries
Today’s physics is characterized by the increasing importance of symmetry groups. Unfortunately most of these groups are connected only with an approximate symmetry. The generally accepted view about this problem is the following: the Hamiltonian of the system, H does not commute with the generators of the group /Gi, i = 1,...n/.
KeywordsVector Meson Vacuum Expectation Goldstone Boson Mass Formula Approximate Symmetry
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