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Gluons, quarks and deconfinement at high density

Skullerud, Jon-Ivar (2009) Gluons, quarks and deconfinement at high density. In: International Workshop on QCD Green’s Functions, Confinement and Phenomenology September 7-11 , 2009, September 7-11 , 2009 , ECT Trento, Italy.

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Official URL: http://pos.sissa.it//archive/conferences/087/043/Q...

Abstract

We compute gluon and quark propagators in 2-colour QCD at large baryon chemical potential µ . The gluon propagator is found to be antiscreened in the superfluid, confined phase and screened in the large-µ , deconfined phase. We present the first attempt to determine corresponding electric and magnetic gluon masses. The quark propagator undergoes dramatic modifications in the superfluid region as a result of the formation of a superfluid gap. These modifications include the appearance of zero crossings in the vector part of the (normal) quark propagator, a large suppression of the scalar part, and the emergence of anomalous propagation.

Item Type: Conference or Workshop Item (Paper)
Keywords: Gluon propagators; Quark propagators; Anomalous propagation.
Subjects: Science & Engineering > Experimental Physics
Item ID: 1756
Depositing User: Dr. Jonivar Skullerud
Date Deposited: 21 Dec 2009 17:08
Journal or Publication Title: Proceedings of Science
Refereed: No
URI:

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