Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2001-01-14
Phys.Rev.D63:121702,2001
Physics
High Energy Physics
High Energy Physics - Phenomenology
ReVTeX, 5 pages, 3 figures
Scientific paper
10.1103/PhysRevD.63.121702
As a model for nonideal behavior in the equation of state of QCD at high density, we consider cold quark matter in perturbation theory. To second order in the strong coupling constant, $\alpha_s$, the results depend sensitively on the choice of the renormalization mass scale. Certain choices of this scale correspond to a strongly first order chiral transition, and generate quark stars with maximum masses and radii approximately half that of ordinary neutron stars. At the center of these stars, quarks are essentially massless.
Fraga Eduardo S.
Pisarski Robert D.
Schaffner-Bielich Jurgen
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