Spontaneous Breakdown of U(1) symmetry in DLCQ without Zero Mode

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dc.creatorIwazaki, Aiichi
dc.date2007-02-26
dc.date.accessioned2026-07-07T11:02:46Z
dc.date.available2026-07-07T11:02:46Z
dc.descriptionWe show that the spontaneous breakdown of U(1) symmetry in a Higgs model can be described in discretized light cone formulation even by neglecting zero mode. We obtain correctly the energy of a ground state with the symmetry breakdown. We also show explicitly the presence of a Goldstone mode and its absence when the U(1) symmetry is gauged. In spite of obtaining the favorable results, we lose a merit in the formulation without zero modes that a naive Fock vacuum is the true ground state.
dc.description7 pages
dc.identifierhttps://arxiv.org/abs/hep-ph/0702255
dc.identifierhttp://arxiv.org/abs/hep-ph/0702255
dc.identifierPhys.Rev.D75:105009,2007
dc.identifierdoi:10.1103/PhysRevD.75.105009
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/188361
dc.subjectHigh Energy Physics - Phenomenology
dc.titleSpontaneous Breakdown of U(1) symmetry in DLCQ without Zero Mode
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