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Phys. Rev. Lett. 84, 2100–2103 (2000)

Hard-Thermal-Loop Resummed Pressure of a Degenerate Quark-Gluon Plasma

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Rudolf Baier1 and Krzysztof Redlich1,2
1Fakultät für Physik, Universität Bielefeld, Postfach 10 01 31, D-33501 Bielefeld, Germany
2Institute for Theoretical Physics, University of Wrocław, PL-50204 Wrocław, Poland

Received 26 August 1999; revised 18 October 1999; published in the issue dated 6 March 2000

We compute the pressure of a finite-density quark-gluon plasma at zero temperature to leading order in hard-thermal-loop perturbation theory, which includes the fermionic excitations and Landau damping. The result is compared with the weak-coupling expansion for finite positive chemical potential μ through order αs2 and with a quasiparticle model with a mass depending on μ.

© 2000 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.84.2100
DOI:
10.1103/PhysRevLett.84.2100
PACS:
12.38.Mh