Quarkyonic matter and applications in neutron stars

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Δημοσιευμένα: Ιουλ 10, 2024
DOI: https://doi.org/10.12681/hnpsanp.6218
ΚΩΝΣΤΑΝΤΙΝΟΣ ΦΩΛΙΑΣ
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Charalambos Moustakidis
Aristotle University of Thessaloniki
Περίληψη

We consider a quarkyonic matter model in which, for large values of density and Fermi energies, we
assume particles as quasiparticles where the low Fermi momentum states are occupied by quarks and the higher
states in phase space are occupied by baryons. This idea has the aim to explain with a consistent way the phase
transition in the interior of a neutron star or a hybrid star and to provide an equation of state which can produce
neutron stars with masses greater than 2Msun without violating causality. At extremely high density, quarkyonic
matter is inferred from the properties of QCD when Nc is large and is a qualitative way to describe the particles
in the momentum space. This state of matter can provide the sound velocity as a non-monotonic function of the
baryon density which for higher values of density tends asymptotically to the conformal limit 1/√3.

Λεπτομέρειες άρθρου
  • Ενότητα
  • Oral contributions
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