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The chiral transition in two-flavor QCD

D'Elia, M. and Giacomo, A. Di and Pica, C. (2005) The chiral transition in two-flavor QCD. PoS - Proceedings of Science, LAT200 . p. 158. ISSN 1824-8039

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Abstract

QCD with N_f=2 is a specially interesting system to investigate the chiral transition. The order of the transition has still not been established. We report the results of an in-depth numerical investigation performed with staggered fermions on lattices with L_t=4 and L_s=12,16,20,24,32 and quark masses am_q ranging from 0.01335 to 0.307036. Using finite-size techniques we compare the scaling behavior of a number of thermodynamical susceptibilities with the expectations of O(4) and O(2) universality classes. Clear disagreement is observed. Indications of a first order transition are found.

Item Type: Article
Additional Information: Imported from arXiv 6 pages, 4 figures, PoS style. Talk presented at Lattice 2005 (Nonzero temperature and density), Dublin, Ireland, July 25-30
Subjects: Area02 - Scienze fisiche > FIS/02 - Fisica teorica, modelli e metodi matematici
Divisions: Dipartimenti (from 2013) > DIPARTIMENTO DI FISICA
Depositing User: dott.ssa Sandra Faita
Date Deposited: 29 Jan 2014 21:49
Last Modified: 29 Jan 2014 21:49
URI: http://eprints.adm.unipi.it/id/eprint/1531

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