Dense but confined matter as a new state in QCD

Details Dense but confined matter as a new state in QCD Dense but confined matter as a new state in QCD

2011-12-02

arxiv.org/abs/1112.0546v1

Physics

High Energy Physics

High Energy Physics - Lattice

7 pages, 3 figures, Talk presented at the International Workshop on QCD Green's Functions, Confinement and Phenomenology, 5-9

Scientific paper

Centre sector transitions in QCD-like theories with dynamical quark matter are investigated. In the hadronic phase, these transitions still take place in the infinite volume at zero temperature limit despite of the explicit breaking of the centre symmetry by the matter fields. This finding is supported by simulations of the SU(2) Yang-Mills theory with Higgs matter. The phenomenological impact of the centre sector transitions for dense but confined matter is explained: centre dressed quarks acquire Bose statistics and form a so-called Fermi-Einstein condensate. This mechanism is further illustrated in the Schwinger model where it solves the Silver-Blaze problem.

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