Polyakov Loop at Finite Temperature in Chiral Quark Models
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At finite temperature, chiral quark models do not incorporate large gauge invariance which implies genuinely non-perturbative finite temperature gluonic degrees of freedom. Motivated by this observation, we describe how the coupling of the Polyakov loop as an independent degree of freedom to quarks not only accounts for large gauge invariance, but also allows to establish in a dynamical way the interaction between composite hadronic states such as Goldstone bosons to finite temperature non-perturbative gluons in a medium which can undergo a confinement-deconfinement phase transition.
6 p., talk presented at Bled 2004: Quark Dynamics, Bled (Slovenia), 12-19 July 2004
6 p., talk presented at Bled 2004: Quark Dynamics, Bled (Slovenia), 12-19 July 2004