Heavy quark potential at finite temperature from gauge/string duality

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dc.creatorBoschi-Filho, Henrique
dc.creatorBraga, Nelson R. F.
dc.creatorFerreira, Cristine N.
dc.date2006-07-06
dc.date2006-09-19
dc.date.accessioned2026-07-07T10:25:59Z
dc.date.available2026-07-07T10:25:59Z
dc.descriptionA static string in an AdS Schwarzschild space is dual to a heavy quark anti-quark pair in a gauge theory at high temperature. This space is non confining in the sense that the energy is finite for infinite quark anti-quark separation. We introduce an infrared cut off in this space and calculate the corresponding string energy. We find a deconfining phase transition at a critical temperature T_C. Above T_C the string tension vanishes representing the deconfined phase. Below T_C we find a linear confining behavior for large quark anti-quark separation. This simple phenomenological model leads to the appropriate zero temperature limit, corresponding to the Cornell potential and also describes a thermal deconfining phase transition. However the temperature corrections to the string tension do not recover the expected results for low temperatures.
dc.descriptionRevision: V.3: Text improved, typos corrected, results unchanged, references added. We included a comparision between the low temperature corrections to the string tension in our model and the expected results for QCD. V.4: In this version we emphasize that our model is not appropriate for low temperatures. One more reference added
dc.identifierhttps://arxiv.org/abs/hep-th/0607038
dc.identifierhttp://arxiv.org/abs/hep-th/0607038
dc.identifierPhys.Rev.D74:086001,2006
dc.identifierdoi:10.1103/PhysRevD.74.086001
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/176725
dc.subjectHigh Energy Physics - Theory
dc.subjectHigh Energy Physics - Phenomenology
dc.titleHeavy quark potential at finite temperature from gauge/string duality
dc.typetext

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