Bayesian analysis finds that the likely ranges of light dark-matter fermion mass and exponential density-profile parameter in hyperon-containing neutron stars are nearly independent of the hadronic model for symmetry-energy slopes between 40 and 58 MeV, with HESS J1731-347 and GW170817 data playing,
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Hybrid neutron-star equations of state remain sensitive to the low-density nucleonic model at transition densities around 2ρ₀, with model spread in radius and tidal deformability exceeding observational uncertainty by factors of ~1.8 and ~1.4.
Numerical simulations of black hole-boson star binaries show that scalar self-interactions can suppress tidal disruption while radiative efficiency depends on the chosen potential.
In quadratic curvature-matter coupled gravity, strange stars described by the MIT bag equation of state can attain a maximum mass of 3.11 solar masses, exceeding the general-relativistic limit and potentially accounting for the lighter companion in GW190814.
A Poincaré-covariant vector-vector contact interaction yields an equation of state for strange quark matter whose mass-radius and tidal properties match pulsar and gravitational-wave constraints for two tuned parameter sets.
Dark energy stars from modified Chaplygin gas obey C-I-Λ-f universal relations similar to quark stars but are distinguishable via I-Eg^{-2}, Λ-Eg^{-5}, and f-Eg^{-2} relations, with GW170817 used to predict 1.4 solar-mass properties.
Short-range correlations soften neutron-star equations of state with quadratic vector self-interactions but stiffen them with an added fourth-order term, producing corresponding shifts in maximum masses that persist when a dark-matter fluid is included.
citing papers explorer
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Bayesian analysis of density profile of light dark matter elucidating the properties of dark matter admixed neutron stars in the presence of hyperons
Bayesian analysis finds that the likely ranges of light dark-matter fermion mass and exponential density-profile parameter in hyperon-containing neutron stars are nearly independent of the hadronic model for symmetry-energy slopes between 40 and 58 MeV, with HESS J1731-347 and GW170817 data playing,
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Sensitivity of Neutron Star Observables to Transition Density in Hybrid Equation-of-State Models
Hybrid neutron-star equations of state remain sensitive to the low-density nucleonic model at transition densities around 2ρ₀, with model spread in radius and tidal deformability exceeding observational uncertainty by factors of ~1.8 and ~1.4.
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Black Hole-Boson Star Binaries: Gravitational Wave Signals and Tidal Disruption
Numerical simulations of black hole-boson star binaries show that scalar self-interactions can suppress tidal disruption while radiative efficiency depends on the chosen potential.
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Maximum mass limit of strange stars in quadratic curvature-matter coupled gravity
In quadratic curvature-matter coupled gravity, strange stars described by the MIT bag equation of state can attain a maximum mass of 3.11 solar masses, exceeding the general-relativistic limit and potentially accounting for the lighter companion in GW190814.
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A Poincar\'e-covariant study of strange quark stars
A Poincaré-covariant vector-vector contact interaction yields an equation of state for strange quark matter whose mass-radius and tidal properties match pulsar and gravitational-wave constraints for two tuned parameter sets.
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Dark energy stars from the modified Chaplygin gas: $C-I-\Lambda-E_g-f$ universal relations
Dark energy stars from modified Chaplygin gas obey C-I-Λ-f universal relations similar to quark stars but are distinguishable via I-Eg^{-2}, Λ-Eg^{-5}, and f-Eg^{-2} relations, with GW170817 used to predict 1.4 solar-mass properties.
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Effects of short-range correlations at high densities on neutron stars with and without DM content: role of the repulsive self-interaction
Short-range correlations soften neutron-star equations of state with quadratic vector self-interactions but stiffen them with an added fourth-order term, producing corresponding shifts in maximum masses that persist when a dark-matter fluid is included.