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SIS

Seminar

Glueball spectrum and screening properties across the superfluid transition of two colour QCD

Lombardo, MP (INFN-LNF)
Tuesday 21 August 2007, 14:30-15:00

Seminar Room 1, Newton Institute

Abstract

QCD with two color undergoes a transition to a phase with diquark condensate when the quark chemical potential equals half the pion mass. We investigate the gluonic properties of this transition by inspecting the behaviour of the glueball correlators. It turns out that the glueball masses change very little at the transition, supporting the view that the suprfluid transition is not deconfining, while the amplitude of the propagators drops, suggesting a strong reduction of the gluon condensate.

Presentation

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