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QCD Phase Transition in a Strong Magnetic Background

D'Elia, Massimo and Mukherjee, Swagato and Sanfilippo, Francesco (2010) QCD Phase Transition in a Strong Magnetic Background. Physical review. D, Particles, fields, gravitation, and cosmology, 82 . 051501. ISSN 1550-7998

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We investigate the properties of the deconfining/chiral restoring transition for two flavor QCD in presence of a uniform background magnetic field. We adopt a standard staggered discretization of the fermion action and a lattice spacing of the order of 0.3 fm. We explore different values of the bare quark mass, corresponding to pion masses in the range 200 - 480 MeV, and magnetic fields up to |e|B ~ 0.75 GeV^2. The deconfinement and chiral symmetry restoration temperatures remain compatible with each other and rise very slightly (< 2 % for our largest magnetic field) as a function of the magnetic field. On the other hand, the transition seems to become sharper as the magnetic field increases.

Item Type: Article
Additional Information: Imported from arXiv
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: 04 Nov 2013 10:29
Last Modified: 04 Nov 2013 10:29
URI: http://eprints.adm.unipi.it/id/eprint/1546

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