Deconfinement phase transition and the quark condensate

We study the dual quark condensate as a signal for the confinement-deconfinement phase transition of QCD. This order parameter for center symmetry has been defined recently by Bilgici et al. within the framework of lattice QCD. In this work we determine the ordinary and the dual quark condensate wit...

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Veröffentlicht in:Physical review letters 2009-07, Vol.103 (5), p.052003-052003, Article 052003
1. Verfasser: Fischer, Christian S
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description We study the dual quark condensate as a signal for the confinement-deconfinement phase transition of QCD. This order parameter for center symmetry has been defined recently by Bilgici et al. within the framework of lattice QCD. In this work we determine the ordinary and the dual quark condensate with functional methods using a formulation of the Dyson-Schwinger equations for the quark propagator on a torus. The temperature dependence of these condensates serves to investigate the interplay between the chiral and deconfinement transitions of quenched QCD.
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source American Physical Society Journals
subjects CHIRALITY
CONFINEMENT
DIFFERENTIAL EQUATIONS
DIMENSIONLESS NUMBERS
DYSON REPRESENTATION
EQUATIONS
FERMIONS
FIELD THEORIES
ORDER PARAMETERS
PARTICLE PROPERTIES
PHASE TRANSFORMATIONS
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
PROPAGATOR
QUANTUM CHROMODYNAMICS
QUANTUM FIELD THEORY
QUARK CONDENSATION
QUARKS
SCHWINGER FUNCTIONAL EQUATIONS
SIGNALS
TEMPERATURE DEPENDENCE
title Deconfinement phase transition and the quark condensate
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