Dark matter effects on the properties of neutron stars: Compactness and tidal deformability

HM Liu, JB Wei, ZH Li, GF Burgio, HC Das, HJ Schulze - Physical Review D, 2024 - APS
We systematically study the observable properties of dark-matter admixed neutron stars with
arbitrary dark-matter fraction, employing a realistic nuclear equation of state in combination …

Effects of dark matter on -mode oscillations of neutron stars

S Shirke, BK Pradhan, D Chatterjee, L Sagunski… - Physical Review D, 2024 - APS
The effect of dark matter (DM) on f-mode oscillations in DM admixed neutron stars (NSs) is
investigated in a comprehensive analysis with particular attention to the role of the nuclear …

Investigating dark matter-admixed neutron stars with NITR equation of state in light of PSR J0952-0607

P Routaray, SR Mohanty, HC Das… - … of Cosmology and …, 2023 - iopscience.iop.org
The fastest and heaviest pulsar, PSR J0952-0607, with a mass of M= 2.35±0.17 M⊙, has
recently been discovered in the disk of the Milky Way Galaxy. In response to this discovery, a …

Radial Oscillations of Strange Quark Stars Admixed with Dark Matter

Y Zhen, TT Sun, JB Wei, ZY Zheng, H Chen - Symmetry, 2024 - mdpi.com
We investigate the equilibrium structure and radial oscillations of strange quark stars
admixed with fermionic dark matter. For strange quark matter, we employ a stiff equation of …

Color-flavor locked strange stars admixed with mirror dark matter and the observations of compact stars

SH Yang, CM Pi - Journal of Cosmology and Astroparticle …, 2024 - iopscience.iop.org
We investigate the structure and the tidal deformability of the color-flavor locked strange
stars admixed with mirror dark matter. Assuming the stars in the GW170817 event have a …

The impact of anisotropy on neutron star properties: insights from 𝖨–𝖿–𝖢 universal relations

SR Mohanty, S Ghosh, P Routaray… - Journal of Cosmology …, 2024 - iopscience.iop.org
Anisotropy in pressure within a star emerges from exotic internal processes. In this study, we
incorporate pressure anisotropy using the Quasi-Local model. Macroscopic properties …

Probing the impact of delta-baryons on nuclear matter and non-radial oscillations in neutron stars

PJ Kalita, P Routaray, S Ghosh, B Kumar… - Journal of Cosmology …, 2024 - iopscience.iop.org
Non-radial oscillations of Neutron Stars (NSs) provide a means to learn important details
regarding their interior composition and equation of state. We consider the effects of Δ …

Unstable anisotropic neutron stars: Probing the limits of gravitational collapse

SR Mohanty, S Ghosh, B Kumar - Physical Review D, 2024 - APS
Neutron stars (NSs) are incredibly versatile for studying various important aspects of high-
energy and compact-object physics. These celestial objects contain extreme matter at …

Exploring the impact of the -cut scheme on neutron star oscillations and thermal relaxations

PJ Kalita, P Routaray, K Singha, B Kumar, BK Agrawal - Physical Review C, 2024 - APS
The σ-cut scheme was recently proposed as a method of stiffening the neutron-star equation
of state (EoS) at high densities without altering its behavior around the nuclear saturation …

The impact of anisotropy on neutron star properties: insights from IfC universal relations

SR Mohanty, S Ghosh, P Routaray, HC Das… - arXiv preprint arXiv …, 2023 - arxiv.org
This study presents a universal relation for anisotropic neutron stars, called the $ IfC $
relation, which accounts for the local anisotropic pressure using the Quasi-Local (QL) Model …