activity
20202024
most citedEffects of dark matter on the nuclear and neutron star matter

112 citations · 754 across the 30 of their papers we have counts for

collaborators

29 papers

astro-ph.HE2024★ 5 cited

Dark Matter Influence on Quarkyonic Stars: A Relativistic Mean Field Analysis

D. Dey, Jeet Amrit Pattnaik, H. C. Das +3

The formulation of quarkyonic matter consists of treating both quarks and nucleons as quasi-particles, where a cross-over transition occurs between the two phases. This work is bas…

math.NA2023★ 3 cited

Constraining neutron star properties and dark matter admixture with the NITR-I equation of state: Insights from observations and universal relations

Pinku Routaray, H C Das, Jeet Amrit Pattnaik +1

A recent observational study has constrained the maximum mass of neutron stars (NSs), with particular attention to PSR J0952-0607 and the compact star remnant HESS J1731-347, espec…

astro-ph.HE2023★ 5 cited

Influence of Dark Matter on the Magnetized Neutron Star

Vishal Parmar, H. C. Das, M. K. Sharma +1

Over the past two decades, significant strides have been made in the study of Dark Matter (DM) admixed neutron stars and their associated properties. However, an intriguing facet r…

astro-ph.HE2023★ 31 cited

Anisotropic Strange Stars in the Spotlight: Unveiling Constraints through Observational Data

H. C. Das, Luiz L. Lopes

Motivated by the recent suggestions that very massive pulsar (PSR J0952-0607) and very light compact object (HESS J1731-347) exist, in this article, we revisit the possibility of s…

nucl-th2023

Impacts of dark matter interaction on nuclear and neutron star matter within the relativistic mean-field model

H. C. Das

This thesis explores the effects of dark matter (DM) on neutron stars (NSs) using the relativistic mean-field (RMF) model. The effects of DM on NS properties, including the mass-ra…

nucl-th2023★ 1 cited

The Impact of Anisotropy on Neutron Star Properties: Insights from I-f-C Universal Relations

Sailesh Ranjan Mohanty, Sayantan Ghosh, Pinku Routaray +2

This study presents a universal relation for anisotropic neutron stars, called the relation, which accounts for the local anisotropic pressure using the Quasi-Local (QL) Mo…

astro-ph.HE2023★ 7 cited

Constraining the Surface Curvature of an Anisotropic Neutron Star

H. C. Das, Jeet Amrit Pattnaik, S. K. Patra

The anisotropy of pressure arises due to the various complex phenomena that happen inside the neutron star (NS). In this study, we calculate the degree of anisotropy inside the NS…

nucl-th2022★ 48 cited

Radial Oscillations of Dark Matter admixed Neutron Stars

Pinku Routray, H. C. Das, Souhardya Sen +3

Within the relativistic mean-field model, we investigate the properties of dark matter (DM) admixed neutron stars, considering non-rotating objects made of isotropic matter. We ado…

astro-ph.HE2022★ 12 cited

Magnetised neutron star crust within effective relativistic mean-field model

Vishal Parmar, H. C. Das, M. K. Sharma +1

Even though the crystallize nature of the neutron star crust plays a pivotal role in describing various fascinating astrophysical observations, its microscopic structure is not ful…

gr-qc2022★ 39 cited

Love relation for an anisotropic neutron star

H. C. Das

One of the most common assumptions has been made that the pressure inside the star is isotropic in nature. However, the pressure is locally anisotropic in nature which is a more re…

nucl-th2022★ 22 cited

Pasta properties of the neutron star within effective relativistic mean-field model

Vishal Parmar, H. C. Das, Ankit Kumar +3

We study the properties of pasta structures and their influence on the neutron star observables employing the effective relativistic mean-field (E-RMF) model. The compressible liqu…

astro-ph.HE2022★ 27 cited

Thermal Relaxation of Dark Matter Admixed Neutron Star

Ankit Kumar, H. C. Das, S. K. Patra

Motivated by the various theoretical studies regarding the efficient capturing of dark matter by neutron stars, we explore the possible indirect effects of captured dark matter on…

astro-ph.HE2022★ 43 cited

Dark Matter Effects on the Compact Star Properties

H. C. Das, Ankit Kumar, Bharat Kumar +1

The neutron star properties are generally determined by the equation of state of -equilibrated dense matter. In this work, we consider the interaction of fermionic dark matter (…

nucl-th2021

Systematic study for the surface properties of neutron star

Ankit Kumar, H. C. Das, Jeet Amrit Pattnaik +1

[Background] In our earlier work {\bf [Phys. Rev. C 104, 055804 (2021)]}, we studied the surface properties of a neutron star, assuming it as a huge finite nucleus containing proto…

nucl-th2021★ 21 cited

Crustal properties of a neutron star within an effective relativistic mean-field model

Vishal Parmar, H. C. Das, Ankit Kumar +2

We use the effective relativistic mean-field (E-RMF) model to study the crustal properties of the neutron star. The unified equations of state (EoS) are constructed using recently…

nucl-th2021★ 1 cited

Constraining nuclear matter parameters and neutron star observables using PREX-2 and NICER data

S. K. Biswal, H. C. Das, Ankit Kumar +1

We try to constraints some of the nuclear matter parameters such as symmetry energy () and its slope () from the recent inferred data of the PREX-2. Other nuclear matter para…

astro-ph.HE2021★ 86 cited

Dark matter admixed neutron star as a possible compact component in the GW190814 merger event

H. C. Das, Ankit Kumar, S. K. Patra

We put constraints on the secondary component of GW190814 by analyzing the observational data of the event. The relativistic mean-field models are used to calculate the mass-radius…

nucl-th2021★ 56 cited

Impacts of dark matter on the -mode oscillation of hyperon star

H. C. Das, Ankit Kumar, S. K. Biswal +1

We investigate the -mode oscillation of the dark matter admixed hyperon star within the relativistic Cowling approximation. The macroscopic properties are calculated with the re…

nucl-th2021★ 10 cited

Incompressibility and Symmetry Energy of Neutron Star

Ankit Kumar, H. C. Das, S. K. Patra

We trace a systematic and consistent method to precisely numerate the magnitude range for various structural and isospin compositional properties of the neutron star. Incompressibi…

astro-ph.HE2021★ 47 cited

Effects of dark matter on the in-spiral properties of the binary neutron stars

H. C. Das, Ankit Kumar, S. K. Patra

Using the relativistic mean-field model, we calculate the properties of binary neutron star (BNS) in the in-spiral phase. Assuming the dark matter (DM) particles are accreted insid…

hep-ph2021★ 3 cited

Thermal impacts on the properties of nuclear matter and young neutron star

Ankit Kumar, H. C. Das, M. Bhuyan +1

We present a methodical study of the thermal and nuclear properties for the hot nuclear matter using relativistic-mean field theory. We examine the effects of temperature on the bi…

nucl-th2021★ 39 cited

Rotating neutron stars with quark cores

I. A. Rather, Usuf Rahaman, M. Imran +3

The rotating neutron star properties are studied with a phase transition to quark matter. The density-dependent relativistic mean-field model (DD-RMF) is employed to study the hadr…

astro-ph.HE2020★ 2 cited

Correlation between the curvature and some properties of the neutron star

S. K. Biswal, H. C. Das, Ankit Kumar +4

According to the general theory of relativity, a massive body induces curvature in the surrounding spacetime. In this study, the surface curvature (SC) of neutron stars is computed…

nucl-th2020★ 20 cited

BigApple force and its implications to finite nuclei and astrophysical objects

H. C. Das, Ankit Kumar, Bharat Kumar +2

The secondary component of the GW190814 event left us with a question, "whether it is a supermassive neutron star or lightest black-hole?". Recently, Fattoyev et al. have obtained…