Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2009-11-12
Acta Phys.Polon.Supp.3:523-532,2010
Physics
High Energy Physics
High Energy Physics - Phenomenology
10 pages, 4 figures. Talk presented at the EMMI workshop and XXVI Max Born Symposium "Three Days of Strong Interactions", Wroc
Scientific paper
We discuss possible inhomogeneous phases in two regions of the QCD phase diagram: We begin with color superconducting quark matter at moderately high densities, which is an imbalanced Fermi system due to the finite strange quark mass and neutrality constraints. Within an NJL-type toy model we find that this situation could lead to the formation of a soliton lattice. Similar solutions also exist in the context of the chiral phase transition. As an interesting result, the first-order transition line in the phase diagram of homogeneous phases gets replaced by an inhomogeneous phase which is bordered by two second-order transition lines.
Buballa Michael
Nickel Dominik
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