No Goldstone boson in NJL and Thirring models

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dc.creatorFujita, Takehisa
dc.creatorHiramoto, Makoto
dc.creatorTakahashi, Hidenori
dc.date2003-06-12
dc.date.accessioned2026-07-07T04:15:21Z
dc.date.available2026-07-07T04:15:21Z
dc.descriptionWe present an intuitive picture of the chiral symmetry breaking in the NJL and Thirring models. For the current current interaction model with the massless fermion, the vacuum is realized with the chiral symmetry broken phase, and the fermion acquires the induced mass. With this finite fermion mass, we calculate the boson mass, and find that the boson is always massive, and there exists no Goldstone boson in the Nambu-Jona-Lasinio (NJL) model.
dc.description9 pages, 0 figure, Latex
dc.identifierhttps://arxiv.org/abs/hep-th/0306110
dc.identifierhttp://arxiv.org/abs/hep-th/0306110
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/51967
dc.subjectHigh Energy Physics - Theory
dc.titleNo Goldstone boson in NJL and Thirring models
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