Canonical partition function and finite density phase transition in lattice QCD

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dc.creatorEjiri, Shinji
dc.date2008-04-21
dc.date2008-10-16
dc.date.accessioned2026-07-07T12:28:35Z
dc.date.available2026-07-07T12:28:35Z
dc.descriptionWe discuss the nature of the phase transition for lattice QCD at finite temperature and density. We propose a method to calculate the canonical partition function by fixing the total quark number introducing approximations allowed in the low density region. An effective potential as a function of the quark number density is discussed from the canonical partition function. We analyze data obtained in a simulation of two-flavor QCD using p4-improved staggered quarks with bare quark mass $m/T = 0.4$ on a $16^3 \times 4$ lattice. The results suggest that the finite density phase transition at low temperature is of first order.
dc.description15 pages, 11 figures
dc.identifierhttps://arxiv.org/abs/0804.3227
dc.identifierhttp://arxiv.org/abs/0804.3227
dc.identifierPhys.Rev.D78:074507,2008
dc.identifierdoi:10.1103/PhysRevD.78.074507
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/215587
dc.subjectHigh Energy Physics - Lattice
dc.subjectHigh Energy Physics - Phenomenology
dc.titleCanonical partition function and finite density phase transition in lattice QCD
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