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Nuclear Theory

arXiv:1311.5154 (nucl-th)
[Submitted on 20 Nov 2013 (v1), last revised 26 Feb 2014 (this version, v2)]

Title:Interacting quark matter equation of state for compact stars

Authors:Eduardo S. Fraga, Aleksi Kurkela, Aleksi Vuorinen
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Abstract:Lattice QCD studies of the thermodynamics of the hot quark-gluon plasma (QGP) demonstrate the importance of accounting for the interactions of quarks and gluons, if one wants to investigate the phase structure of strongly interacting matter. Motivated by this observation and using state-of-the-art results from perturbative QCD, we construct a simple effective equation of state for cold quark matter that consistently incorporates the effects of interactions and furthermore includes a built-in estimate of the inherent systematic uncertainties. This goes beyond the MIT bag model description in a crucial way, yet leads to an equation of state that is equally straightforward to use.
Comments: 4 pages, 3 figures; v2 published version
Subjects: Nuclear Theory (nucl-th); High Energy Astrophysical Phenomena (astro-ph.HE); High Energy Physics - Phenomenology (hep-ph)
Report number: CERN-PH-TH/2013-269, HIP-2013-27/TH
Cite as: arXiv:1311.5154 [nucl-th]
  (or arXiv:1311.5154v2 [nucl-th] for this version)
  https://doi.org/10.48550/arXiv.1311.5154
Journal reference: The Astrophysical Journal Letters, Volume 781, Issue 2, article id. L25, 5 pp. (2014)
Related DOI: https://doi.org/10.1088/2041-8205/781/2/L25

Submission history

From: Aleksi Kurkela [view email]
[v1] Wed, 20 Nov 2013 18:10:27 UTC (36 KB)
[v2] Wed, 26 Feb 2014 14:40:45 UTC (38 KB)
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