Pion Propagation near the QCD Chiral Phase Transition

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dc.creatorSon, D. T.
dc.creatorStephanov, M. A.
dc.date2001-11-08
dc.date2002-04-30
dc.date.accessioned2026-07-07T03:45:46Z
dc.date.available2026-07-07T03:45:46Z
dc.descriptionWe point out that, in analogy with spin waves in antiferromagnets, all parameters describing the real-time propagation of soft pions at temperatures below the QCD chiral phase transition can be expressed in terms of static correlators. This allows, in principle, the determination of the soft pion dispersion relation on the lattice. Using scaling and universality arguments, we determine the critical behavior of the parameters of pion propagation. We predict that when the critical temperature is approached from below, the pole mass of the pion drops despite the growth of the pion screening mass. This fact is attributed to the decrease of the pion velocity near the phase transition.
dc.description8 pages (single column), RevTeX; added references, version to be published in PRL
dc.identifierhttps://arxiv.org/abs/hep-ph/0111100
dc.identifierhttp://arxiv.org/abs/hep-ph/0111100
dc.identifierPhys.Rev.Lett. 88 (2002) 202302
dc.identifierdoi:10.1103/PhysRevLett.88.202302
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/41049
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectHigh Energy Physics - Lattice
dc.subjectNuclear Theory
dc.titlePion Propagation near the QCD Chiral Phase Transition
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