activity
20212026
most citedIsotopic shift and search of magic number in the superheavy region

15 citations · 72 across the 17 of their papers we have counts for

collaborators

20 papers

hep-ph2026

Finite-Temperature Axion-Admixed Neutron Stars in a Quarkyonic Crossover Framework

S. K. Patra, D. Dey, Jeet Amrit Pattnaik +1

We analyze the effect of axion contribution on the mass, radius and dimensionless deformability of a neutron star (NS) at finite temperature. Although the cooling of an NS is mainl…

astro-ph.HE2026

Universality in spacetime modes of quarkyonic stars

D. Dey, Jeet Amrit Pattnaik, R. N. Panda +1

The gravitational wave mode spectrum presents a unique window into the dense interior of neutron stars, probing physics inaccessible to electromagnetic observations. This work…

astro-ph.HE2025

Dirac vs. Majorana Dark Matter Imprints on Neutron Star Observables

M. Bhuyan, Jeet Amrit Pattnaik, S. K. Patra +1

The fundamental character of a fermionic dark matter, whether it is a Dirac or Majorana particle remains a key unresolved issue whose answer would profoundly affect dark-sector phe…

astro-ph.HE2025

Quarkyonic Neutron Stars as Candidates for the GW230529 Mass-Gap Object

Jeet Amrit Pattnaik, S. K. Patra

We examine whether quarkyonic equations of state (EOS) can account for compact objects in the - mass range reported for the GW230529 gravitational-wave event. Th…

astro-ph.HE2025

Core or Halo? Two-Fluid Analysis of Dark Matter-Admixed Quarkyonic Stars in the Multi-Messenger Era

Jeet Amrit Pattnaik, D. Dey, M. Bhuyan +2

For the first time, we explore dark matter (DM) admixed quarkyonic stars (DAQSs) within a two-fluid formalism, where the normal/visible sector is modeled by a quarkyonic equation o…

astro-ph.HE2025

-mode oscillation of neutron star in a new relativistic hybrid model

D. Dey, Jeet Amrit Pattnaik, R. N. Panda +1

We investigate how the pulsation frequencies of axial gravitational-wave modes (-modes) in a non-rotating neutron star depend on its composition, particularly when including qua…

nucl-th2025

Anomalous Behavior of Giant Monopole Resonance Energy with Nuclear Matter Incompressibility in the framework of Relativistic Mean Field Formalism and Coherent Density Fluctuation Model

Jeet Amrit Pattnaik, R. N. Panda, M. Bhuyan +1

The finite nucleus incompressibility is evaluated using the coherent density fluctuation model with the extended relativistic mean field density. The relativistic energy dens…

nucl-th2025

Exploring the giant monopole resonance in superheavy nuclei: A theoretical perspective

S. Kumar, Jeet Amrit Pattnaik, S. K. Singh +3

Within the relativistic mean field framework, in an extended Thomas-Fermi approximation, we calculate the binding energy and charge distribution radius for the latest superheavy nu…

nucl-th2025

Superheavy Nuclei and the Changing Face of Nuclear Magicity

Jeet Amrit Pattnaik, Santosh Kumar, S. K. Singh +3

Using a relativistic mean field formalism, we analyzed the magic number sequence for finite nuclei in the superheavy valley. The result for the IOPB-I parameter set is compared wit…

astro-ph.HE2025★ 1 cited

Dark Matter Effects on the Curvature of Neutron Stars within the new Quarkyonic Model Coupled with Relativistic Mean Field Theory

Jeet Amrit Pattnaik, D. Dey, R. N. Panda +2

For the first time, we analyze the impact of dark matter (DM) on the curvature properties of quarkyonic neutron stars (NS) using a hybrid model based on quarkyonic-effective field…

astro-ph.HE2024★ 8 cited

-mode oscillations of dark matter admixed quarkyonic neutron star

D. Dey, Jeet Amrit Pattnaik, R. N. Panda +2

We systematically investigate mode oscillations ( = 2) in quarkyonic neutron stars with dark matter, employing the Cowling approximation within the framework of linearize…

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★ 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

Structure and reaction study of Z=120 isotopes using non-relativistic and relativistic mean-field formalism

Jeet Amrit Pattnaik, K. C. Naik, R. N. Panda +2

An extensive study is carried out for the island of stability in the superheavy nuclei of Z=120 and N=164-220 within the effective field theory motivated relativistic mean-field (E…

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★ 12 cited

Appearance of peak in symmetry energy at N = 126 for Pb isotopic chain within relativistic energy density functional

Jeet Amrit Pattnaik, T. M. Joshua, Ankit Kumar +2

The newly derived relativistic energy density functional [\textcolor{blue}{ Phys. Rev. C \textbf{103}, 024305 (2021)}], which stems from the effective field theory motivated relati…

nucl-th2021★ 12 cited

Systematic study of surface properties for Ne, Na, Mg, Al and Si isotopes in a coherent density fluctuation model using the relativistic mean field formalism

Jeet Amrit Pattnaik, R. N. Panda, M. Bhuyan +1

We have systematically studied the surface properties, such as symmetric energy, neutron pressure, and symmetry energy curvature coefficient for Ne, Na, Mg, Al, and Si nuclei from…

nucl-th2021★ 9 cited

Constraining the relativistic mean-field models from PREX-2 data: Effective forces revisited

Jeet Amrit Pattnaik, R. N. Panda, M. Bhuyan +1

Based on the current measurement of the neutron distribution radius () of Pb through the PREX-2 data, we re-visited the recently developed G3 and IOPB-I force paramete…

nucl-th2021★ 15 cited

Isotopic shift and search of magic number in the superheavy region

Jeet Amrit Pattnaik, R. N. Panda, M. Bhuyan +1

The ground state bulk properties such as binding energy, root-mean-square radius, pairing energy, nuclear density distributions, and single-particle energies are calculated for the…