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Particles and Fields


Eur. Phys. J. C 18, 583-586
DOI: 10.1007/s100520100538

Deconfinement through chiral symmetry restoration in two-flavour QCD

S. Digal, E. Laermann and H. Satz

Fakultät für Physik, Universität Bielefeld, 33501 Bielefeld, Germany

(Received: 27 September 2000 / Published online: 8 December 2000 - © Springer-Verlag 2000)

Abstract
We propose that in QCD with dynamical quarks, colour deconfinement occurs when an external field induced by the chiral condensate strongly aligns the Polyakov loop. This effect sets in at the chiral symmetry restoration temperature $T_{\chi}$ and thus makes deconfinement and chiral symmetry restoration coincide. The predicted singular behaviour of Polyakov loop susceptibilities at $T_{\chi}$ is shown to be supported by finite temperature lattice calculations.



© Società Italiana di Fisica, Springer-Verlag 2001