Thermodynamics and heavy-quark free energies at finite temperature and density with two flavors of improved Wilson quarks

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dc.creatorMaezawa, Y.
dc.creatorAoki, S.
dc.creatorEjiri, S.
dc.creatorHatsuda, T.
dc.creatorIshii, N.
dc.creatorKanaya, K.
dc.creatorUkita, N.
dc.creatorUmeda, T.
dc.date2007-10-04
dc.date.accessioned2026-07-07T11:53:22Z
dc.date.available2026-07-07T11:53:22Z
dc.descriptionThermodynamics of two-flavor QCD at finite temperature and density is studied on a $16^3 \times 4$ lattice, using a renormalization group improved gauge action and the clover improved Wilson quark action. In the simulations along lines of constant $m_{\rm PS}/m_{\rm V}$, we calculate the Taylor expansion coefficients of the heavy-quark free energy with respect to the quark chemical potential ($μ_q$) up to the second order. By comparing the expansion coefficients of the free energies between quark($Q$)and antiquark($\bar{Q}$), and between $Q$ and $Q$, we find a characteristic difference at finite $μ_q$ due to the first order coefficient of the Taylor expansion. We also calculate the quark number and isospin susceptibilities, and find that the second order coefficient of the quark number susceptibility shows enhancement around the pseudo-critical temperature.
dc.descriptionTalk given at the XXV International Symposium on Lattice Field Theory (Lattice 2007), July 30 - August 4, 2007, Regensburg, Germany
dc.identifierhttps://arxiv.org/abs/0710.0945
dc.identifierhttp://arxiv.org/abs/0710.0945
dc.identifierPoSLAT2007:207,2007
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/204514
dc.subjectHigh Energy Physics - Lattice
dc.titleThermodynamics and heavy-quark free energies at finite temperature and density with two flavors of improved Wilson quarks
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