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相关论文: Influence of Dark Matter on the Magnetized Neutron…

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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 equation of state. Hadronic matter is modeled by the…

广义相对论与量子宇宙学 · 物理学 2024-12-23 Swarnim Shirke , Bikram Keshari Pradhan , Debarati Chatterjee , Laura Sagunski , Jürgen Schaffner-Bielich

In this study, we investigate the impacts of dark matter (DM) on the properties of both static and rotating neutron stars utilizing a self-interacting DM model, motivated by the neutron decay anomaly. DM-admixed NSs are modeled by assuming…

高能天体物理现象 · 物理学 2025-09-15 Pinku Routaray , Abirbhav Chakrawarty , N. K. Patra , Bharat Kumar

We study the interaction between dark matter (DM) and highly magnetized neutron stars (NSs), focusing on how DM particle mass, mass fraction, and magnetic field (MF) strength affect NS structure and stability. We consider self-interacting,…

核理论 · 物理学 2025-06-04 Pinku Routaray , Vishal Parmar , H. C. Das , Bharat Kumar , G. F. Burgio , H. -J. Schulze

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-radius relation, the moment of inertia, and tidal…

核理论 · 物理学 2023-05-04 H. C. Das

The neutron star properties are generally determined by the equation of state of $\beta$-equilibrated dense matter. In this work, we consider the interaction of fermionic dark matter (DM) particles with the nucleons via Higgs exchange and…

高能天体物理现象 · 物理学 2022-01-19 H. C. Das , Ankit Kumar , Bharat Kumar , S. K. Patra

The effects of dark matter (DM) on the curvatures of the neutron star (NS) are examined by using the stiff and soft relativistic mean-field equation of states. The curvatures of the NSs are calculated with the variation of baryon density.…

核理论 · 物理学 2021-11-29 H. C. Das , Ankit Kumar , Bharat Kumar , S. K. Biswal , S. K. Patra

We investigate the structural and observable impacts of dark matter (DM) on neutron stars using a combined equation of state that integrates the relativistic mean field (RMF) model for baryonic matter with a variable density profile for DM,…

高能天体物理现象 · 物理学 2025-01-14 Ankit Kumar , Hajime Sotani

We study the effects of dark matter on the properties of neutron stars by employing a DM-admixed model. The Brueckner-Hartree-Fock theory with realistic three-body forces and a generic bosonic self-interacting dark matter model describe the…

核理论 · 物理学 2024-10-23 Hong-Ming Liu , Jin-Biao Wei , Zeng-Hua Li , G. F. Burgio , H. -J. Schulze

In recent years, researchers have become increasingly interested in understanding how dark matter affects neutron stars, helping them to better understand complex astrophysical phenomena. In this paper, we delve deeper into this problem by…

高能物理 - 唯象学 · 物理学 2024-01-17 Prashant Thakur , Tuhin Malik , T. K. Jha

Neutron Stars (NSs), among the densest objects in the Universe, are exceptional laboratories for investigating Dark Matter (DM) properties. Recent theoretical and observational developments have heightened interest in exploring the impact…

高能天体物理现象 · 物理学 2026-01-21 Francesco Grippa , Gaetano Lambiase , Tanmay Kumar Poddar

We investigate the effects of dark matter (DM) on neutron star (NS) properties using the neutron decay anomaly model within the relativistic mean-field (RMF) framework. Three nucleonic models (HCD0-HCD2) are developed, satisfying…

高能天体物理现象 · 物理学 2025-05-15 H. C. Das , G. F. Burgio

By assuming that only gravitation exists between dark matter (DM) and normal matter (NM), we study the effects of fermionic DM on the properties of neutron stars using the two-fluid Tolman-Oppenheimer-Volkoff formalism. It is found that the…

太阳与恒星天体物理 · 物理学 2014-02-20 Qian-Fei Xiang , Wei-Zhou Jiang , Dong-Rui Zhang , Rong-Yao Yang

The presence of dark matter (DM) within neutron stars (NSs) can be introduced by different accumulation scenarios in which DM and baryonic matter (BM) may interact only through the gravitational force. In this work, we consider asymmetric…

高能天体物理现象 · 物理学 2024-03-05 Davood Rafiei Karkevandi , Mahboubeh Shahrbaf , Soroush Shakeri , Stefan Typel

The tidal properties of a neutron star are measurable in the gravitational waves emitted from inspiraling binary neutron stars, and they have been used to constrain the neutron star equation of state. In the same spirit, we study the…

高能天体物理现象 · 物理学 2022-07-07 Kwing-Lam Leung , Ming-Chung Chu , Lap-Ming Lin

We study the effects of dark matter on the structural properties of neutron stars. In particular we investigate how the presence of a dark matter component influences the mass-radius relation, the value of the maximum mass of a neutron star…

高能天体物理现象 · 物理学 2025-05-29 Domenico Scordino , Ignazio Bombaci

The dark matter in neutron stars can exist from the lifetime of the progenitor or captured by this compact object. The properties of dark matter entered the neutron stars through each step could be different from each other. Here, we…

高能天体物理现象 · 物理学 2019-03-01 Zeinab Rezaei

In this work, we study dark matter (DM) admixed strange quark stars exploring the different possibilities about the nature of the DM and their effects on the macroscopic properties of strange stars, such as maximum masses, radii, as well…

高能天体物理现象 · 物理学 2023-05-22 Luiz L. Lopes , H. C. Das

In this work, we employ the dark matter equations of state (DMEOSs) obtained from the rotational curves of galaxies as well as the fermionic DMEOS with m = 1.0 GeV to study the structure of darkmatter admixed neutron stars (DMANSs).…

高能天体物理现象 · 物理学 2017-01-19 Z. Rezaei

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 adopt the IOPB-I hadronic equation of state (EOS) by assuming…

We derive an equation of state for magnetized charge neutral nuclear matter relevant for neutron star structure. The calculations are performed within an effective chiral model based on generalization of sigma model with nonlinear self…

核理论 · 物理学 2018-11-16 Tuhin Malik , Debashree Sen , T. K. Jha , Hiranmaya Mishra
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