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Density dependent quark mass model revisited: Thermodynamic consistency, stability windows and stellar properties

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arxiv 2007.04494 v1 pith:GK5ADPUK submitted 2020-07-09 hep-ph astro-ph.HEnucl-th

Density dependent quark mass model revisited: Thermodynamic consistency, stability windows and stellar properties

B. C. Backes , E. Hafemann , I. Marzolla , D. P. Menezes This is my paper
classification hep-ph astro-ph.HEnucl-th
keywords quarkdensitydependentmatterstabilitychemicalconsistencymass
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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In this work a density dependent quark model is revisited, its thermodynamic consistency checked and the stability window for absolutely stable quark matter obtained. The hypotheses of both pure quark matter with equal quark chemical potentials and stellar matter subject to chemical stability and charge neutrality are investigated. The parameters that appear in the density dependent mass and satisfy the Bodmer-Witten conjecture are then used to compute the masses and radii of strange stars. We show that the obtained values are compatible with the recently observed massive stars.

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