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Phonons as Goldstone Bosons
The implications of the hidden, spontaneously broken symmetry for the properties of the sound waves of a solid are analyzed. Although the discussion does not go beyond standard wisdom, it presents some of the known results from a different perspective. In particular, I argue that, as a consequence o...
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| Lenguaje: | eng |
| Publicado: |
1996
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| Acceso en línea: | http://cds.cern.ch/record/311331 |