English
Related papers

Related papers: Hairy black holes and solitons in global AdS 5

200 papers

In the Einstein-Maxwell-charged scalar system with a negative cosmological constant in arbitrary dimensions higher than three, there exists a horizonless charged soliton solution, which we construct explicitly for an arbitrary mass of the…

High Energy Physics - Theory · Physics 2024-02-08 Takaaki Ishii , Yu Nakayama

Scalar fields minimally coupled to General Relativity in three dimensions are considered. For certain families of self-interaction potentials, new exact solutions describing solitons and hairy black holes are found. It is shown that they…

High Energy Physics - Theory · Physics 2015-06-03 Francisco Correa , Cristian Martinez , Ricardo Troncoso

We study small charged black holes in global AdS spacetime in the presence of a charged massless minimally coupled scalar field. In a certain parameter range these black holes suffer from well known superradiant instabilities. We…

High Energy Physics - Theory · Physics 2015-03-13 Pallab Basu , Jyotirmoy Bhattacharya , Sayantani Bhattacharyya , R. Loganayagam , Shiraz Minwalla , V. Umesh

We construct hairy black hole solutions that merge with the anti-de Sitter (AdS$_4$) Reissner-Nordstr\"om black hole at the onset of superradiance. These hairy black holes have, for a given mass and charge, higher entropy than the…

High Energy Physics - Theory · Physics 2017-03-02 Oscar J. C. Dias , Ramon Masachs

Is it possible the no-hair paradigm is violated when a black hole undergoes an instability? Employing massless charged scalar perturbations, we address this question within the context of conformally invariant Einstein-Maxwell theory for…

General Relativity and Quantum Cosmology · Physics 2020-10-01 Afsaneh Rahmani , Mohsen Khodadi , Matin Honardoost , Hamid Reza Sepangi

We do a systematic search of supergravity solutions that, via the AdS$_5$/CFT$_4$ correspondence, are dual to thermal states in $\mathcal{N}=4$ SYM at finite chemical potential. These solutions dominate the microcanonical ensemble and are…

High Energy Physics - Theory · Physics 2024-12-02 Oscar J. C. Dias , Prahar Mitra , Jorge E. Santos

We study small hairy black holes in a consistent truncation of ${\cal N}=8$ gauged supergravity that consists of a single charged scalar field interacting with the metric and a U(1) gauge field. Small very near extremal RNAdS black holes in…

High Energy Physics - Theory · Physics 2015-05-18 Sayantani Bhattacharyya , Shiraz Minwalla , Kyriakos Papadodimas

We consider N=8 gauged supergravity in D=4 and D=5. We show one can weaken the boundary conditions on the metric and on all scalars with $m^2 <-{(D-1)^2 \over 4}+1$, while preserving the asymptotic anti-de Sitter (AdS) symmetries. Each…

High Energy Physics - Theory · Physics 2009-11-10 Thomas Hertog , Kengo Maeda

We revisit static, spherically symmetric solutions to AdS-Einstein gravity with a conformally coupled scalar field (and no self-interaction potential) in four dimensions. We first observe that a convenient choice of coordinates leads to a…

General Relativity and Quantum Cosmology · Physics 2024-09-10 Marcello Ortaggio

General Relativity coupled to a self-interacting scalar field in three dimensions is shown to admit exact analytic soliton solutions, such that the metric and the scalar field are regular everywhere. Since the scalar field acquires slow…

High Energy Physics - Theory · Physics 2011-01-20 Francisco Correa , Cristian Martinez , Ricardo Troncoso

An electrically charged black hole solution with scalar hair in four dimensions is presented. The self-interacting scalar field is real and it is minimally coupled to gravity and electromagnetism. The event horizon is a surface of negative…

High Energy Physics - Theory · Physics 2008-11-26 Cristian Martinez , Ricardo Troncoso

We present a new family of asymptotically AdS four-dimensional black hole solutions with scalar hair of a gravitating system consisting of a scalar field minimally coupled to gravity with a self-interacting potential. For a certain profile…

General Relativity and Quantum Cosmology · Physics 2015-06-17 P. A. Gonzalez , Eleftherios Papantonopoulos , Joel Saavedra , Yerko Vasquez

We study rotating global AdS solutions in five-dimensional Einstein gravity coupled to a multiplet complex scalar within a cohomogeneity-1 ansatz. The onset of the gravitational and scalar field superradiant instabilities of the…

High Energy Physics - Theory · Physics 2021-05-19 Takaaki Ishii , Keiju Murata , Jorge E. Santos , Benson Way

We study the stability of (4+1)-dimensional charged Gauss-Bonnet black holes and solitons. We observe an instability related to the condensation of a scalar field and construct explicit "hairy" black hole and soliton solutions of the full…

General Relativity and Quantum Cosmology · Physics 2013-05-30 Yves Brihaye , Betti Hartmann

We present a new family of topological charged hairy black hole solutions in asymptotically AdS space in $D$-dimensions. We solve the coupled Einstein-Maxwell-Scalar gravity system and obtain exact charged hairy black hole solutions with…

High Energy Physics - Theory · Physics 2020-07-22 Subhash Mahapatra , Supragyan Priyadarshinee , Gosala Narasimha Reddy , Bhaskar Shukla

Einstein-Gauss-Bonnet-gravity (EGB) coupled minimally to a $U(1)$ gauged, massive scalar field possesses -- for appropriate choices of the $U(1)$ charge -- black hole solutions that carry charged scalar hair if the frequency of the harmonic…

General Relativity and Quantum Cosmology · Physics 2018-08-08 Yves Brihaye , Betti Hartmann

We consider a gravitating system consisting of a scalar field minimally coupled to gravity with a self-interacting potential and an U(1) electromagnetic field. Solving the coupled Einstein-Maxwell-scalar system we find exact hairy charged…

General Relativity and Quantum Cosmology · Physics 2015-06-22 P. A. Gonzalez , Eleftherios Papantonopoulos , Joel Saavedra , Yerko Vasquez

We investigate static, planar, solutions of Einstein-scalar gravity admitting an anti-de Sitter (AdS) vacuum. When the squared mass of the scalar field is positive and the scalar potential can be derived from a superpotential, minimum…

High Energy Physics - Theory · Physics 2013-05-30 Mariano Cadoni , Salvatore Mignemi , Matteo Serra

We discuss charged and static solutions in a shift-symmetric scalar-tensor gravity model including a negative cosmological constant. The solutions are only approximately Anti-de Sitter (AdS) asymptotically. While spherically symmetric black…

General Relativity and Quantum Cosmology · Physics 2019-02-20 Yves Brihaye , Betti Hartmann

We consider Einstein gravity in general dimensions, coupled to a scalar field either minimally or non-minimally, together with a generic scalar potential. By making appropriate choices of the scalar potential, we obtain large classes of new…

High Energy Physics - Theory · Physics 2015-09-16 Zhong-Ying Fan , H. Lu
‹ Prev 1 2 3 10 Next ›