Superluminal pions in a hadronic fluid

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dc.creatorBilic, Neven
dc.creatorNikolic, Hrvoje
dc.date2003-01-31
dc.date2003-08-26
dc.date.accessioned2026-07-07T10:33:15Z
dc.date.available2026-07-07T10:33:15Z
dc.descriptionWe study the propagation of pions at finite temperature and finite chemical potential in the framework of the linear sigma model with 2 quark flavors and $N_c$ colors. The velocity of massless pions in general differs from that of light. One-loop calculations show that in the chiral symmetry broken phase pions, under certain conditions, propagate faster than light.
dc.description8 pages, 3 figures included. Considerably revised, discussions expanded, one figure added, typos corrected, results unchanged. To be published in Phys. Rev. D
dc.identifierhttps://arxiv.org/abs/hep-ph/0301275
dc.identifierhttp://arxiv.org/abs/hep-ph/0301275
dc.identifierPhys.Rev.D68:085008,2003
dc.identifierdoi:10.1103/PhysRevD.68.085008
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/179043
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectHigh Energy Physics - Theory
dc.subjectNuclear Theory
dc.titleSuperluminal pions in a hadronic fluid
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