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Tests of the Polyakov Loops Model
Robert D. Pisarski
I give a brief review of the Polyakov Loops Model and tests thereof. I concentrate especially on how in a pure SU(N) gauge theory, Polyakov loops with Z(N) charges two and three af…
Gauge invariance of the color-superconducting gap on the mass shell
R. D. Pisarski, D. H. Rischke
The gap parameter for color superconductivity is expected to be a gauge invariant quantity, at least on the appropriate mass shell. Computing the gap to subleading order in the QCD…
New Class of Compact Stars at High Density
Eduardo S. Fraga, Robert D. Pisarski, Jurgen Schaffner-Bielich
We discuss the equation of state for cold, dense quark matter in perturbation theory, and how it might match onto that of hadronic matter. Certain choices of the renormalization sc…
Test of the Polyakov Loop Model
Adrian Dumitru, Robert D. Pisarski
We discuss the two point functions for the real and imaginary parts of the Polyakov loop in a pure SU(3) gauge theory. The behavior of these correlation functions in the Polyakov L…
Degrees of Freedom and the Deconfining Phase Transition
Adrian Dumitru, Robert D. Pisarski
There is a sharp increase in the relative number of degrees of freedom at the deconfining phase transition. Characterizing this increase using the Polyakov Loop model, we find that…
Explosive Collisions at RHIC?
Adrian Dumitru, Robert D. Pisarski
Motivated by experimental results from RHIC, we suggest how a condensate for the Polyakov loop might produce explosive behavior at the QCD phase transition. This is due to a rapid…
Why the Quark-Gluon Plasma isn't a Plasma
Robert D. Pisarski
An alternate picture of the deconfined phase of gauge theories is described. Instead of a plasma, the theory is viewed as a condensate of Polyakov lines. The pressure is determined…
Small, Dense Quark Stars from Perturbative QCD
Eduardo S. Fraga, Robert D. Pisarski, Jurgen Schaffner-Bielich
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 const…