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Related papers: A Study on Charged Neutron Star in $AdS_5$

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Charged stars have the potential of becoming charged black holes or even naked singularities. It is presented a set of numerical solutions of the Tolman-Oppenheimer-Volkov equations that represents spherical charged compact stars in…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Cristian R. Ghezzi

We study the stability of charged rotating black holes in a consistent truncation of Type $IIB$ Supergravity on $AdS_5 \times S^5$ that degenerate to extremal black holes with zero entropy. These black holes have scaling properties between…

High Energy Physics - Theory · Physics 2015-06-12 Micha Berkooz , Anna Frishman , Amir Zait

The stability of a class of electrically charged fluid spheres under radial perturbations is studied. Among these spheres there are regular stars, overcharged tension stars, regular black holes, quasiblack holes, and quasinonblack holes,…

General Relativity and Quantum Cosmology · Physics 2023-03-31 Angel D. D. Masa , José P. S. Lemos , Vilson T. Zanchin

The hydrostatic equilibrium and the stability against radial perturbation of charged strange quark stars composed of a charged perfect fluid are studied. For this purpose, it is considered that the perfect fluid follows the MIT bag model…

Solar and Stellar Astrophysics · Physics 2017-06-30 José D. V. Arbañil , M. Malheiro

We construct composite CFT operators from a large number of fermionic primary fields corresponding to states that are holographically dual to a zero temperature Fermi gas in AdS space. We identify a large N regime in which the fermions…

High Energy Physics - Theory · Physics 2011-02-03 Xerxes Arsiwalla , Jan de Boer , Kyriakos Papadodimas , Erik Verlinde

Rapidly rotating Myers-Perry-AdS$_5$ (MPAdS$_5$) black holes are shown to be unstable against rotational superradiance of a Maxwell field. From the onset of the instability, time-periodic neutral black hole solutions equipped with a…

High Energy Physics - Theory · Physics 2020-04-08 Takaaki Ishii , Keiju Murata

In this paper, we study an extended phase space thermodynamics of a nonlinearly charged AdS black hole. We examine both the local and global stabilities, and possible phase transition of the black hole solutions. Finally, we compute…

General Relativity and Quantum Cosmology · Physics 2020-03-31 S. N. Sajadi , N. Riazi , S. H. Hendi

We study the hydrodynamic response of the AdS electron star in the vector sector, and compute the correlation functions and the transverse conductivity of the dual field theory. The system exhibits hydrodynamic behavior at low temperatures…

High Energy Physics - Theory · Physics 2025-10-24 Vladan Gecin , Mihailo Čubrović

The Anti-de Sitter (AdS) black hole with lattice structure plays an essential role in the study of the optical conductivity in holographic approach. We investigate the instability of this sort of black holes which may lead to the…

High Energy Physics - Theory · Physics 2020-09-02 Yi Ling , Meng-He Wu

The anti--de Sitter/conformal field theory (AdS/CFT) correspondence is a powerful tool that promises to provide new insights toward a full understanding of field theories under extreme conditions, including but not limited to quark-gluon…

High Energy Physics - Theory · Physics 2011-11-29 Yen Chin Ong , Pisin Chen

We study the phase structure and equilibrium state space geometry of R-charged black holes in $D = 5$, 4 and 7 and the corresponding rotating $D3$, $M2$ and $M5$ branes. For various charge configurations of the compact black holes in the…

High Energy Physics - Theory · Physics 2010-11-30 Anurag Sahay , Tapobrata Sarkar , Gautam Sengupta

We study the stability of charged solitons in 5-dimensional Anti-de Sitter (AdS) space-time. We show that for appropriate choices of the parameters of the model these solutions become unstable to form scalar hair. We find that the existence…

High Energy Physics - Theory · Physics 2015-06-12 Yves Brihaye , Betti Hartmann , Sardor Tojiev

In this work we construct families of anisotropic neutron stars for an equation of state compatible with the constraints of the gravitational-wave event GW170817 and for four anisotropy ansatze. Such stars are subjected to a radial…

General Relativity and Quantum Cosmology · Physics 2020-08-13 Juan M. Z. Pretel

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 incredibly high densities in their interiors, leading to the…

Nuclear Theory · Physics 2024-05-31 S. R. Mohanty , Sayantan Ghosh , Bharat Kumar

We analyze the effect of a Chaplygin dark fluid (CDF) core on neutron stars (NSs). To address this study, we focus on the relativistic structure of stellar configurations composed by a dark-energy core, described by a Chaplygin-like…

General Relativity and Quantum Cosmology · Physics 2024-12-19 Juan M. Z. Pretel , Mariana Dutra , Sergio B. Duarte

We obtain a perturbative solution for rotating charged black holes in 5-dimensional Einstein-Maxwell-Chern-Simons theory with a negative cosmological constant. We start from a small undeformed Kerr-AdS solution and use the electric charge…

General Relativity and Quantum Cosmology · Physics 2017-01-11 Mozhgan Mir , Robert B. Mann

We investigate quasinormal modes of a massless charged scalar field on a small Reissner-Nordstr\"om-anti-de Sitter (RN-AdS) black hole both with analytical and numerical approaches. In the analytical approach, by using the small black hole…

General Relativity and Quantum Cosmology · Physics 2015-05-30 Nami Uchikata , Shijun Yoshida

We discuss the stability and construct dynamical configurations describing the gravitational collapse of unstable neutron stars with realistic equations of state compatible with the recent LIGO-Virgo constraints. Unlike other works that…

General Relativity and Quantum Cosmology · Physics 2020-06-17 J. M. Z. Pretel , M. F. A. da Silva

Considering the variable cosmological constant in the extended phase space has a significant background in the black hole physics. It was shown that the thermodynamic behavior of charged AdS black hole surrounded by the quintessence in the…

High Energy Physics - Theory · Physics 2021-05-19 S. H. Hendi , Kh. Jafarzade

As a potential candidate for the late-time accelerating expansion of the Universe, the Chaplygin gas and its generalized models have significant implications to modern cosmology. In this work we investigate the effects of dark energy on the…

High Energy Astrophysical Phenomena · Physics 2024-01-22 Juan M. Z. Pretel , Mariana Dutra , Sergio B. Duarte
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