Abstract In the present work we achieve phase transition from β stable hadronic matter to color-flavor locked (CFL) quark with Maxwell construction. The hybrid equation of state (EoS), obtained for different values bag pressure B and gap parameter Δ, have been used compute speed sound in star (HS) matter. structural properties HSs both static rotating conditions calculated light various constra...

In this erratum, we correct a subset of our numerical results for $s\ensuremath{\ne}1$, where $s$ is the sound speed squared, presented in ``Relativistic hybrid stars light NICER PSR $\mathrm{J}0740+6620$ radius measurement'' [Phys. Rev. D 104, L121302 (2021)]. The with $s=1$ remain unchanged.

In this paper, we discuss the impact of following laboratory experiments and astrophysical observation neutron stars (NSs) on their equation state (EoS): (a) new measurement skin thickness 208Pb, fm by PREX-II experiment; (b) mass PSR J0740+6620 has been slightly revised down including additional ?1.5 yr pulsar timing data. As well as radius joint NICER/XMM-Newton collaboration, which a similar...

In this erratum, we correct a subset of our numerical results for $s\ensuremath{\ne}1$, where $s$ is the sound speed squared, presented in ``Relativistic hybrid stars light NICER PSR $\mathrm{J}0740+6620$ radius measurement'' [Phys. Rev. D 104, L121302 (2021)]. The with $s=1$ remain unchanged.

Millisecond pulsars are perfect laboratories to test possible matter-geometry coupling and its physical implications in light of recent Neutron Star Interior Composition Explorer (NICER) observations. We apply Rastall field equations gravity, where matter geometry nonminimally coupled, Krori-Barua interior spacetime whereas the source is assumed be anisotropic fluid. show that all quantities in...

Using a density dependent quark mass (QMDD) model for strange matter, we investigate the effects of non-Newtonian gravity on properties stars and constrain parameters QMDD by employing PSR $\mathrm{J}0740+6620$ tidal deformability GW170817. We find that these observations would rule out existence if are ignored. For current masses ${m}_{u0}=2.16\text{ }\text{ }\mathrm{MeV}$, ${m}_{d0}=4.67\text...

X-ray pulse profile modeling of PSR J0740+6620, the most massive known pulsar, with data from NICER and XMM-Newton observatories recently led to a measurement its radius. We investigate this measurement's implications for neutron star equation state (EoS), employing nonparametric EoS model based on Gaussian processes combining information other x-ray, radio gravitational-wave observations stars...

The NASA telescope NICER has recently measured x-ray emissions from the heaviest of precisely known two-solar mass neutron stars, PSR J0740 $+$ 6620. Analysis data [Astrophys. J. Lett. 918, L28 (2021), Astrophys. L27 (2021)] suggests that 6620 a radius in range ${R}_{2.0}\ensuremath{\approx}(11.4--16.1)\phantom{\rule{4pt}{0ex}}\text{km}$ at $68%$ credibility level. In this article, we study imp...

We investigate the possible presence of dark matter (DM) in massive and rotating neutron stars (NSs). For purpose we extend our previous work [1] to introduce a light new physics vector mediator besides scalar one order ensure feeble interaction between fermionic DM $\beta$ stable hadronic NSs. The masses fermion, mediators couplings are chosen consistent with self-interaction constraint from B...