2007
DOI: 10.1590/s0103-97332007000400020
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Lattice results for the QCD phase transition

Abstract: We discuss recent results for the phase transition in finite-temperature QCD from numerical (Monte Carlo) simulations of the lattice-regularized theory. Emphasis is given to the case of two degenerate light-quark flavors. The order of the transition in this case, which could have cosmological implications, has not yet been established.

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Cited by 12 publications
(12 citation statements)
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“…Thus the order of the phase transition and its universality class can be established by a comparison with the known critical exponents and the known scaling behavior. From such an analysis, there is indeed evidence of O(4) scaling for QCD with Wilson fermions [10,11,12,13], however, the expected scaling behavior has not been seen with staggered fermions [5,6,7]. Results with a modified QCD action with two flavors of staggered fermions suggest that current simulation volumes might be actually outside the finite-size scaling region [14].…”
Section: Introductionmentioning
confidence: 99%
“…Thus the order of the phase transition and its universality class can be established by a comparison with the known critical exponents and the known scaling behavior. From such an analysis, there is indeed evidence of O(4) scaling for QCD with Wilson fermions [10,11,12,13], however, the expected scaling behavior has not been seen with staggered fermions [5,6,7]. Results with a modified QCD action with two flavors of staggered fermions suggest that current simulation volumes might be actually outside the finite-size scaling region [14].…”
Section: Introductionmentioning
confidence: 99%
“…These results were often used in the analysis of lattice QCD data [6,9,16,[21][22][23]. In the present paper we use an alternative technical framework, the functional renormalization group approach (FRG).…”
Section: Introductionmentioning
confidence: 99%
“…So far, scaling functions, finite-size scaling functions and Binder cumulant have been determined mainly by using O(N )-symmetric spin-model lattice simulations [16][17][18][19][20]. These results were often used in the analysis of lattice QCD data [6,9,16,[21][22][23]. In the present pa-per we use an alternative technical framework, the functional renormalization group approach (FRG).…”
Section: Introductionmentioning
confidence: 99%
“…Although scaling is not observed, a simple method may be used [12,13] in order to obtain a uniquely defined normalization of the QCD data, allowing an unambiguous comparison to the (normalized) O(4) scaling function. This analysis shows a surprisingly better agreement for the larger values of the quark masses.…”
Section: Introductionmentioning
confidence: 99%