Phonons as Goldstone Bosons

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dc.creatorLeutwyler, H.
dc.date1996-09-25
dc.date.accessioned2026-07-07T04:00:12Z
dc.date.available2026-07-07T04:00:12Z
dc.descriptionThe 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 of the hidden symmetry, the equations of motion for a sound wave necessarily contain nonlinear terms, describing phonon-phonon scattering and emphasize the analogy with the low energy theorems for pion-pion scattering.
dc.description12 pages, Latex file
dc.identifierhttps://arxiv.org/abs/hep-ph/9609466
dc.identifierhttp://arxiv.org/abs/hep-ph/9609466
dc.identifierHelv.Phys.Acta 70 (1997) 275-286
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/46502
dc.subjectHigh Energy Physics - Phenomenology
dc.titlePhonons as Goldstone Bosons
dc.typetext

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