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High Energy Physics - Phenomenology

arXiv:2108.13596 (hep-ph)
[Submitted on 31 Aug 2021]

Title:Heavy-quark effects on cold quark matter and self-bound stars

Authors:José C. Jiménez, Eduardo S. Fraga
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Abstract:Heavy-quark effects on the equation of state for cold and dense quark matter are obtained from perturbative QCD, yielding observables parametrized only by the renormalization scale. In particular, we investigate the thermodynamics of charm quark matter under the constraints of $\beta$ equilibrium and electric charge neutrality in a region of densities where perturbative QCD is, in principle, much more reliable. Finally, we analyze the stability of charm stars, a possible new branch of ultradense, self-bound compact stars, and find that they are unstable under radial oscillations.
Comments: 4 pages, 2 figures, contribution to the proceedings for the 19th International Conference on Strangeness in Quark Matter (SQM 2021), online 17-22 May 2021 (Submission to EPJ)
Subjects: High Energy Physics - Phenomenology (hep-ph); High Energy Astrophysical Phenomena (astro-ph.HE); Nuclear Theory (nucl-th)
Cite as: arXiv:2108.13596 [hep-ph]
  (or arXiv:2108.13596v1 [hep-ph] for this version)
  https://doi.org/10.48550/arXiv.2108.13596
Related DOI: https://doi.org/10.1051/epjconf/202225904002

Submission history

From: José Carlos Jiménez Apaza [view email]
[v1] Tue, 31 Aug 2021 03:09:34 UTC (344 KB)
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