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Neutron stars and quark phases in the NJL model

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arxiv astro-ph/9901152 v1 pith:NVANCOCH submitted 1999-01-12 astro-ph hep-phnucl-th

K. Schertler , S. Leupold , J. Schaffner-Bielich This is my paper · ORCID
classification astro-phhep-phnucl-th
keywords quarkmodelneutronstarsdeconfinedmassesmatteraround
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We study the possible existence of deconfined quark matter in the interior of neutron stars using the Nambu-Jona-Lasinio model to describe the quark phase. We find that typical neutron stars with masses around 1.4 solar masses do not possess any deconfined quark matter in their center. This can be traced back to the property of the NJL model which suggests a large constituent strange quark mass over a wide range of densities.

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Cited by 1 Pith paper

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  1. CP violation in cold dense quark matter and axion effects on the non-radial oscillations of neutron stars

    hep-ph 2024-11 reject novelty 4.0 of 10

    Using a 3-flavor NJL model with axions, the authors find that a CP-violating angle theta=pi reduces the chiral transition density and, with a vector repulsion, yields stable hybrid neutron stars with enhanced f-mode o...

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