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QCD dynamics in a constant chromomagnetic field

Paolo Cea1, Leonardo Cosmai2 and Massimo D'Elia3

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We investigate the phase transition in full QCD with two flavors of staggered fermions in presence of a constant abelian chromomagnetic field. We find that the critical temperature depends on the strength of the chromomagnetic field and that the deconfined phase extends to very low temperatures for strong enough fields. As in the case of zero external field, a single transition is detected, within statistical uncertainties, where both deconfinement and chiral symmetry restoration take place. We also find that the chiral condensate increases with the strength of the chromomagnetic field.

Keywords

Confinement

Lattice QCD

 

E-print Number: 0707.1149

Cited: by |

Refers: to

PACS

12.38.Aw General properties of QCD (dynamics, confinement, etc.)

12.39.-x Phenomenological quark models

12.38.Gc Lattice QCD calculations

11.30.Rd Chiral symmetries

Subjects

Particle physics and field theory

Dates

Issue 12 (December 2007)

Received 10 July 2007, accepted for publication 21 December 2007

Published 28 December 2007



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