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From confinement to new states of dense QCD matter

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arxiv 1111.4315 v1 pith:IXVDLSZJ submitted 2011-11-18 hep-lat hep-phhep-thnucl-th

From confinement to new states of dense QCD matter

classification hep-lat hep-phhep-thnucl-th
keywords centremattertransitionsdensebrokenconfinementquarksymmetry
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Transitions between centre sectors are related to confinement in pure Yang-Mills theories. We study the impact of these transitions in QCD-like theories for which centre symmetry is explicitly broken by the presence of matter. For low temperatures, we provide numerical evidence that centre transitions do occur with matter merely providing a bias towards the trivial centre sector until centre symmetry is spontaneously broken at high temperatures. The phenomenological consequences of these transitions for dense hadron matter are illustrated in an SU(3) effective quark theory: centre dressed quarks undergo condensation due to Bose-type statistics forming a hitherto unknown state of dense but cold quark matter.

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