spontaneous symmetry breaking
physical phenomenon in which the vacuum expectation value of a field is not invariant under a symmetry of the action, so that a symmetry present at high temperatures is broken at low temperatures
Pronunciations
British English
/spɒnˈteɪnɪəs ˈsɪmətɹɪ ˈbɹeɪkɪŋ/Open converterAmerican English
/spɑnˈteɪniəs ˈsɪmətɹi ˈbɹeɪkɪŋ/Open converter
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