| 1. | The Goldstone bosons of the symmetry breaking are the pseudoscalar mesons.
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| 2. | However, the phonon is the Goldstone boson for both.
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| 3. | A continuous broken symmetry leads to a Goldstone boson.
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| 4. | Normally, in the absence of the Higgs mechanism, massless Goldstone bosons arise.
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| 5. | The field fluctuations are called spin waves and can be recognized as Goldstone bosons.
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| 6. | These states are pseudo Goldstone bosons possessing a global charge that makes them stable against decay.
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| 7. | The latter become massive and their new, longitudinal polarization is provided by the Goldstone boson.
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| 8. | In theories with gauge symmetry, the Goldstone bosons are " eaten " by the gauge bosons.
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| 9. | This is called the "'Goldstone phenomenon "'and the bosons are called Goldstone bosons.
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| 10. | Also, massless bosons arising in field theories with spontaneous symmetry breaking are sometimes referred to as Nambu Goldstone bosons.
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