Speed of Sound in Hybrid Stars and the Role of Bag Pressure in the Emergence of Special Points on M-R Variation of Hybrid Stars
arXiv:2303.04653 · doi:10.1103/PhysRevD.107.063019
Abstract
We compute the hybrid star (HS) properties with the help of Maxwell construction. For the purpose we choose a fixed hadronic model and four different forms of MIT bag model for the quark phase. We investigate thoroughly the effects of the different parameters of the bag model on the speed of sound in HS matter and the structural properties of HSs in the light of the various recent constraints on them from astrophysical observations. We also examine the importance of each parameter involved in these four forms of bag model in the context appearance of special points (SPs) in the mass-radius (M-R) variation of HSs. We find that among all these parameters the bag pressure play the most significant role in the emergence of the SPs in the M-R dependence of HSs.
Accepted for Publication in Physical Review D. arXiv admin note: text overlap with arXiv:2209.13890
References in corpus (24)
- A Massive Pulsar in a Compact Relativistic Binary
- PSR J0030+0451 Mass and Radius from NICER Data and Implications for the Properties of Neutron Star Matter
- A NICER View of PSR J0030+0451: Millisecond Pulsar Parameter Estimation
- Tidal Love numbers of neutron stars
- Neutron-star radius constraints from GW170817 and future detections
- Relativistic Mean-Field Hadronic Models under Nuclear Matter Constraints
- Hadron-quark mixed phase in hyperon stars
- Equation of state and thickness of the inner crust of neutron stars
- Non-rotating and rotating neutron stars in the extended field theoretical model
- Strong correlations of neutron star radii with the slopes of nuclear matter incompressibility and symmetry energy at saturation
- Asymmetric nuclear matter and neutron-skin in extended relativistic mean field model
- Was GW170817 a canonical neutron star merger? Bayesian analysis with a third family of compact stars
- Quark-nuclear hybrid equation of state for neutron stars under modern observational constraints
- Quark deconfinement transition in hyperonic matter
- Neutron stars with large quark cores
- Constraining quark-hadron interface tension in the multi-messenger era
- Special point on the mass radius diagram of hybrid stars
- Vector dark boson mediated feeble interaction between fermionic dark matter and strange quark matter in quark stars
- Stable configurations of hybrid stars with colour-flavour-locked core
- Compact star merger events with stars composed of interacting strange quark matter
- A Detailed Analysis of the Special Points on Solutions of Hybrid (Twin) Stars
- Properties of Hybrid Stars with Density Dependent Bag Model
- Studying VLOCV twin compact stars with binary mergers
- Variation of delta baryon mass and hybrid star properties in static and rotating conditions