Cool Pions move at less than the speed of light

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dc.creatorPisarski, Robert D.
dc.creatorTytgat, Michel
dc.date1996-06-27
dc.date.accessioned2026-07-07T03:59:30Z
dc.date.available2026-07-07T03:59:30Z
dc.descriptionAt nonzero temperature, pions propagate through a thermal medium at less than the speed of light. About low temperature, this effect begins not at $\sim T^2$, but at next to leading order, $\sim T^4$. We also derive the generalization of the relation of Gell-Mann, Oakes, and Renner to nonzero temperature.
dc.description11 pages, latex + sprocl.sty, talk given at Continuous Advances in QCD'96, Minneapolis
dc.identifierhttps://arxiv.org/abs/hep-ph/9606459
dc.identifierhttp://arxiv.org/abs/hep-ph/9606459
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/46255
dc.subjectHigh Energy Physics - Phenomenology
dc.titleCool Pions move at less than the speed of light
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