Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2002-12-05
J.Phys.G29:243-262,2003
Physics
High Energy Physics
High Energy Physics - Phenomenology
22 pages, 14 figures within text, 2 figures(6,B3) as separate files. To be published in J.Phys.G: Nucl.&Part.Phys. G28 (2002)
Scientific paper
10.1088/0954-3899/29/2/302
We consider the change of the strange-quark chemical potential in the phase diagram of nuclear matter, employing the Wilson loop and scalar quark condensate order parameters, mass-scaled partition functions and enforcing flavor conservation. Assuming the region beyond the hadronic phase to be described by massive, correlated and interacting quarks, in the spirit of lattice and effective QCD calculations, we find the strange-quark chemical potential to change sign: from positive in the hadronic phase - to zero upon deconfinement - to negative in the partonic domain. We propose this change in the sign of the strange-quark chemical potential to be an experimentally accessible order parameter and a unique, concise and well-defined indication of the quark-deconfinement phase transition in nuclear matter.
Katsas Panayiotis G.
Panagiotou Apostolos D.
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