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200 papers

We study the thermodynamics of a self-gravitating system of neutral fermions at finite temperature and analyze its backreaction in an asymptotically AdS space. We evaluate numerically the free entropy as a function of temperature, and…

High Energy Physics - Theory · Physics 2021-01-07 Carlos R. Argüelles , Tobías Canavesi , Manuel Díaz , Nicolás Grandi

We construct back-reacted asymptotically AdS_4 backgrounds with both electric and magnetic charge, at finite temperature and chemical potential. The system consists of a condensed bulk Dirac field hovering over a charged black brane. We…

High Energy Physics - Theory · Physics 2015-01-29 Daniel Carney , Mohammad Edalati

Computing the holographic entanglement entropy proposed by Ryu-Takayanagi shows that thermal energy near boundary region in $AdS_3$ gain maximum of the temperature. The absolute maxima of temperature is $T^{Max}_{E}= \frac{4G_3…

High Energy Physics - Theory · Physics 2016-10-19 D. Momeni , M. Raza , H. Gholizade , R. Myrzakulov

In this paper, we have investigated the entanglement thermodynamics for $d$-dimensional charged $AdS$ black hole by studying the holographic entanglement entropy in different cases. We have first computed the holographic entanglement…

High Energy Physics - Theory · Physics 2018-12-03 Sourav Karar , Debabrata Ghorai , Sunandan Gangopadhyay

We present numerical calculations of the equation of state for dense matter in high magnetic fields, using a temperature dependent Thomas-Fermi theory with a magnetic field that takes all Landau levels into account. Free energies for atoms…

Astrophysics · Physics 2009-10-30 A. Thorolfsson , O. E. Rognvaldsson , J. Yngvason , E. H. Gudmundsson

We review and extend previous results regarding the stability and thermodynamics of Anti-de Sitter (AdS) spacetime at finite temperature. Using a combination of analytic and numerical techniques, we compute the energy, temperature, and…

High Energy Physics - Theory · Physics 2014-07-08 Matthew Kleban , Albion Lawrence , Matthew M. Roberts , Stefano Storace

For a real massless scalar field in general relativity with a negative cosmological constant, we uncover a large class of spherically symmetric initial conditions that are close to AdS, but whose numerical evolution does not result in black…

High Energy Physics - Theory · Physics 2014-08-14 Venkat Balasubramanian , Alex Buchel , Stephen R. Green , Luis Lehner , Steven L. Liebling

In recent years, the thermodynamic properties of black holes are topics of interests. We investigate the thermodynamic properties like surface gravity and Hawking temperature on event horizon of regular black holes viz. {\it Hayward Class}…

General Relativity and Quantum Cosmology · Physics 2019-03-11 Amritendu Haldar , Ritabrata Biswas

In this paper, we study the thermodynamic features of a non-linear magnetic-charged AdS black hole surrounded by quintessence, in the background of perfect fluid dark matter(PFDM). After having constructed the corresponding metric, we…

General Relativity and Quantum Cosmology · Physics 2023-08-08 Ragil Brand Ndongmo , Saleh Mahamat , Thomas Bouetou Bouetou , Conrad Bertrand Tabi , Timoleon Crepin Kofane

We argue that the electron star and the AdS Dirac hair solution are two limits of the free charged Fermi gas in AdS. Spectral functions of holographic duals to probe fermions in the background of electron stars have a free parameter that…

High Energy Physics - Theory · Physics 2013-05-29 Mihailo Cubrovic , Yan Liu , Koenraad Schalm , Ya-Wen Sun , Jan Zaanen

We give strong numerical evidence that a self-interacting probe scalar field in AdS, with only a few modes turned on initially, will undergo fast thermalization only if it is above a certain energetic threshold. Below the threshold the…

High Energy Physics - Theory · Physics 2014-08-05 Pallab Basu , Chethan Krishnan , Ayush Saurabh

We investigate the thermodynamic properties of charged anti-de Sitter black holes surrounded by a cloud of strings in bumblebee gravity. In this framework, the cloud-of-strings parameter $\alpha$ and the Lorentz-violating parameter $\ell$…

General Relativity and Quantum Cosmology · Physics 2026-03-20 Faizuddin Ahmed , Edilberto O. Silva

In this paper, we study topological AdS black branes of $(n+1)$-dimensional Einstein-Maxwell-dilaton theory and investigate their properties. We use the area law, surface gravity and Gauss law interpretations to find entropy, temperature…

High Energy Physics - Theory · Physics 2011-01-04 S. H. Hendi , A. Sheykhi , M. H. Dehghani

Gravitational backgrounds in d+2 dimensions have been proposed as holographic duals to Lifshitz-like theories describing critical phenomena in d+1 dimensions with critical exponent z\geq 1. We numerically explore a dilaton-Einstein-Maxwell…

High Energy Physics - Theory · Physics 2015-03-17 Gaetano Bertoldi , Benjamin A. Burrington , Amanda W. Peet , Ida G. Zadeh

We describe the lowest Landau level of a quantum electron star in AdS4. In the presence of a suitably strong magnetic field, the dynamics of fermions in the bulk is effectively reduced from four to two dimensions. These two-dimensional…

High Energy Physics - Theory · Physics 2015-06-11 Mike Blake , Stefano Bolognesi , David Tong , Kenny Wong

We explore the gravitational backreaction of a system consisting in a very large number of elementary fermions at finite temperature, in asymptotically AdS space. We work in the hydrodynamic approximation, and solve the…

High Energy Physics - Theory · Physics 2019-11-12 Carlos R. Argüelles , Nicolás E. Grandi

Using a reasonable choice in normalizing the timelike Killing vector, we investigate the thermodynamic properties of charged accelerating Anti-de Sitter (AdS) black holes. We find that the expression of the thermodynamic mass in the first…

High Energy Physics - Theory · Physics 2019-03-22 Jialin Zhang , Yanjun Li , Hongwei Yu

A large AdS Schwarzschild black hole can be approximated by an AdS planar black hole. However, the temperature of a planar black hole is not well defined due to the translational invariance of the horizon. We propose to fix this…

High Energy Physics - Theory · Physics 2022-11-08 Neven Bilic , Julio C. Fabris

The process of the Joule-Thomson adiabatic expansion within RNED-AdS spacetime is investigated. The isenthalpic P-T diagrams and the inversion temperature were depicted. The inversion temperature depends on the magnetic charge and RNED…

General Physics · Physics 2023-04-06 S. I. Kruglov

We investigate the existence and the stability of spherically symmetric thermal equilibrium states of the self-gravitating many-particle system which satisfies the Einstein-Vlasov equations with a negative cosmological constant. While a…

General Relativity and Quantum Cosmology · Physics 2021-08-17 Hiroki Asami , Chul-Moon Yoo