The deconfining phase transition in full QCD with two dynamical flavors

2004/01/31 by Paolo Cea, Leonardo Cosmai, Massimo D'Elia
Physics and Astronomy · #High-Energy Particle Collisions Research #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #hep-lat #hep-ph

paper · pdf · doi:10.1088/1126-6708/2004/02/018

published as JHEP 0402 (2004) 018 · 23 pages, 11 figures, 4 tables (minor typos corrected, references updated, accepted for publication on JHEP)

openalex publication_date 2004/02/06 · arxiv created 2004/02/16 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28

Abstract

We investigate the deconfining phase transition in SU(3) pure gauge theory and in full QCD with two flavors of staggered fermions. The phase transition is detected by measuring the free energy in presence of an abelian monopole background field. In the pure gauge case our finite size scaling analysis is in agreement with the well known presence of a weak first order phase transition. In the case of 2 flavors full QCD we find, using the standard pure gauge and staggered fermion actions, that the phase transition is consistent with weak first order, contrary to the expectation of a crossover for not too large quark masses and in agreement with results obtained by the Pisa group.

Citations

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