Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2011-04-08
Phys.Lett.B702:438-441,2011
Physics
High Energy Physics
High Energy Physics - Phenomenology
4 pages, 4 figures. v2: minor changes, comments added
Scientific paper
10.1016/j.physletb.2011.07.039
We present results for the chiral and deconfinement transition of two flavor QCD at finite temperature and chemical potential. To this end we study the quark condensate and its dual, the dressed Polyakov loop, with functional methods using a set of Dyson-Schwinger equations. The quark-propagator is determined self-consistently within a truncation scheme including temperature and in-medium effects of the gluon propagator. For the chiral transition we find a crossover turning into a first order transition at a critical endpoint at large quark chemical potential, $\mu_{EP}/T_{EP} \approx 3$. For the deconfinement transition we find a pseudo-critical temperature above the chiral transition in the crossover region but coinciding transition temperatures close to the critical endpoint.
Fischer Christian S.
Luecker Jan
Mueller Jens A.
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