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Related papers: Dissipative superfluid dynamics from gravity

200 papers

Implementing the concept of Dark Fluid with a Chaplygin-like equation of state within General Relativity, we construct a new higher-dimensional, static, and spherically symmetric anti-de Sitter (AdS) black hole solution. Energy conditions…

General Relativity and Quantum Cosmology · Physics 2025-03-25 Y. Sekhmani , G. G. Luciano , J. Rayimbaev , M. K. Jasim , A. Al-Badawi , S. K. Maurya

We study the AdS/CFT thermodynamics of the spatially isotropic counterpart of the Bjorken similarity flow in d-dimensional Minkowski space with d>=3, and of its generalisation to linearly expanding d-dimensional Friedmann-Robertson-Walker…

High Energy Physics - Theory · Physics 2009-01-16 K. Kajantie , Jorma Louko , T. Tahkokallio

The particular model of d5 higher derivative gravity which is dual to ${\cal N}=2$ $Sp(N)$ SCFT is considered. A (perturbative) AdS black hole in such theory is constructed in the next-to-leading order of the AdS/CFT correspondence. The…

High Energy Physics - Theory · Physics 2009-02-23 Shin'ichi Nojiri , Sergei D. Odintsov , Sachiko Ogushi

In this work, we consider a very simple gravitational theory that contains a scalar field with its kinetic and potential terms minimally coupled to gravity, while the scalar field is assumed to have a coulombic form. In the context of this…

General Relativity and Quantum Cosmology · Physics 2022-04-21 Athanasios Bakopoulos , Theodoros Nakas

We construct stationary non-equilibrium black funnels locally asymptotic to global AdS4 in vacuum Einstein-Hilbert gravity with negative cosmological constant. These are non-compactly-generated black holes in which a single connected bulk…

High Energy Physics - Theory · Physics 2013-03-07 Sebastian Fischetti , Donald Marolf , Jorge E. Santos

We study the problem of evolution of bulk 5-fluids having an embedded braneworld with a flat, de Sitter, or anti-de Sitter geometry. We introduce new variables to express the Einstein equations as a dynamical system that depends on the…

High Energy Physics - Theory · Physics 2022-10-10 Ignatios Antoniadis , Spiros Cotsakis , John Miritzis

We calculate the pressure, entropy density, trace anomaly and speed of sound of the gluon plasma using the dilaton potential of Ref. arXiv:0911.0627[hep-ph] in the dilaton-gravity theory of AdS/QCD. The finite temperature observables are…

High Energy Physics - Theory · Physics 2011-02-03 E. Megias , H. J. Pirner , K. Veschgini

We present the generalized Friedmann equations describing the cosmological evolution of a finite thick brane immeresed in a five-dimensional Schwarzschild Anti-de Sitter spacetime. A linear term in the density in addition to a quatratic one…

General Relativity and Quantum Cosmology · Physics 2009-11-11 S. Ghassemi , S. Khakshournia , R. Mansouri

We show that AdS black hole solutions admit an analytical continuation to become magnetic flux-branes. Although a BPS AdS black hole generally has a naked singularity, the BPS flux-brane can be regular everywhere with an appropriate choice…

High Energy Physics - Theory · Physics 2009-10-07 H. Lu , C. N. Pope , J. F. Vazquez-Poritz

Inspired by non-commutative geometry in string theory, we propose extended derivatives in black hole physics by incorporating a real antisymmetric tensor of rank 2 carrying similarities of certain stringy fields. Using gauge theory…

High Energy Physics - Theory · Physics 2025-11-25 Adil Belhaj , Maryem Jemri

We construct a new class of $(n+1)$-dimensional Lifshitz dilaton black brane solutions in the presence of the cubic quasitopological gravity for a flat boundary. The related action supports asymptotically Lifshitz solutions by applying some…

High Energy Physics - Theory · Physics 2024-08-28 A. Bazrafshan , M. Ghanaatian , S. Rezaei , Gh. Forozani

In this study, the gravitational decoupling approach via extended geometric deformation is utilized to generate analytical black hole solutions owing to its simplicity and effectiveness. Considering the external fields surrounding…

General Relativity and Quantum Cosmology · Physics 2022-12-12 Chao-Ming Zhang , Ming Zhang , De-Cheng Zou

We numerically investigate the dynamics near black hole formation of solutions to the Einstein--Vlasov system in axisymmetry. Our results are obtained using a particle-in-cell and finite difference code based on the $(2+1)+1$ formulation of…

General Relativity and Quantum Cosmology · Physics 2021-02-05 Ellery Ames , Håkan Andréasson , Oliver Rinne

It has recently been demonstrated that the dynamics of black holes at large $D$ can be recast as a set of non gravitational membrane equations. These membrane equations admit a simple static solution with shape $S^{D-p-2} \times R^{p,1}$.…

High Energy Physics - Theory · Physics 2017-02-01 Yogesh Dandekar , Subhajit Mazumdar , Shiraz Minwalla , Arunabha Saha

The problem of gravitational fluctuations confined inside a finite cutoff at radius $r=r_c$ outside the horizon in a general class of black hole geometries is considered. Consistent boundary conditions at both the cutoff surface and the…

High Energy Physics - Theory · Physics 2011-09-30 Irene Bredberg , Cynthia Keeler , Vyacheslav Lysov , Andrew Strominger

For inviscid, rotational accretion flows, both isothermal and polytropic, a simple dynamical systems analysis of the critical points has given a very accurate mathematical scheme to understand the nature of these points, for {\em any}…

Astrophysics · Physics 2009-11-11 Soumini Chaudhury , Arnab K. Ray , Tapas Kumar Das

General static solutions for a massless scalar field coupled to a class of effectively 2-d gravity theories continuously connecting spherically symmetric $d$-dimensional Einstein gravity ($d >3$) and the CGHS model are analytically…

High Energy Physics - Theory · Physics 2009-10-28 Youngjai Kiem , Dahl Park

We use the fluid-gravity correspondence to compute subextensive corrections, proportional to the shear tensor, to the energy-momentum tensor of fluids on three-spheres. The dual configurations we consider are charged black hole solutions of…

High Energy Physics - Theory · Physics 2013-12-03 G. L. Cardoso , G. Dall'Agata , V. Grass

In this paper, we derive exact black hole solutions within the framework of fourth-order quasitopological gravity (4QTG) coupled to power-law Maxwell electrodynamics in five-dimensional spacetimes. We explore the thermodynamic properties of…

General Relativity and Quantum Cosmology · Physics 2025-03-31 A. Bazrafshan , M. Ghanaatian , P. Mirsalari , Gh. Forozani

We look at the response of a nonlinearly coupled scalar field in an asymptotically AdS black brane geometry and find a behavior very similar to that of known dissipative nonlinear systems like the chaotic pendulum. Transition to chaos…

High Energy Physics - Theory · Physics 2014-02-26 Pallab Basu , Archisman Ghosh