Static quark free energies at finite temperature with two flavors of improved Wilson quarks

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dc.creatorMaezawa, Y.
dc.creatorEjiri, S.
dc.creatorHatsuda, T.
dc.creatorIshii, N.
dc.creatorUkita, N.
dc.creatorAoki, S.
dc.creatorKanaya, K.
dc.date2006-10-02
dc.date.accessioned2026-07-07T10:41:21Z
dc.date.available2026-07-07T10:41:21Z
dc.descriptionPolyakov loop correlations at finite temperature in two-flavor QCD are studied in lattice simulations with the RG-improved gluon action and the clover-improved Wilson quark action. From the simulations on a $16^3 \times 4$ lattice, we extract the free energies, the effective running coupling $g_{\rm eff}(T)$ and the Debye screening mass $m_D(T)$ for various color channels of heavy quark--quark and quark--anti-quark pairs above the critical temperature. The free energies are well approximated by the screened Coulomb form with the appropriate Casimir factors. The magnitude and the temperature dependence of the Debye mass are compared to those of the next-to-leading order thermal perturbation theory and to a phenomenological formula given in terms of $g_{\rm eff}(T)$. Also we made a comparison between our results with the Wilson quark and those with the staggered quark previously reported.
dc.description7 pages, 9 figures, talk given at Lattice 2006 (high temperature and density)
dc.identifierhttps://arxiv.org/abs/hep-lat/0610013
dc.identifierhttp://arxiv.org/abs/hep-lat/0610013
dc.identifierPoSLAT2006:141,2006
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/181601
dc.subjectHigh Energy Physics - Lattice
dc.titleStatic quark free energies at finite temperature with two flavors of improved Wilson quarks
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