Triple layered compact star with strange quark matter
Kyungmin Kim, Hyun Kyu Lee, and Mannque Rho
TL;DR
This paper investigates a triple-layered core structure in neutron stars, comprising strange quark matter, kaon condensed nuclear matter, and nuclear matter, and shows its compatibility with observed massive pulsars.
Contribution
It introduces a novel triple-layered core model in neutron stars and demonstrates its consistency with recent observational data.
Findings
Triple-layered core structure is theoretically viable.
Model aligns with the mass of PSR J1614-2230.
Smooth phase transition between strange quark matter and kaon condensed matter.
Abstract
We explore the possibility of three phases in the core of neutron star in a form of triple layers. From the center, strange quark matter, kaon condensed nuclear matter and nuclear matter form a triple layer. We discuss how the phase of strange quark matter is smoothly connected to kaon condensed nuclear matter phase. We also demonstrate that the compact star with triple layered structure can be a model compatible with the 1.97-solar-mass object PSR J1614-2230 recently observed.
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