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We exploit some common features of black hole and domain wall solutions of (super)gravity theories coupled to scalar fields and construct a class of stable extremal black holes that are non-BPS, but still can be described by first-order…

High Energy Physics - Theory · Physics 2010-10-27 Anna Ceresole , Gianguido Dall'Agata

We derive a general form of first-order flow equations for extremal and non-extremal, static, spherically symmetric black holes in theories with massless scalars and vectors coupled to gravity. By rewriting the action as a sum of squares a…

High Energy Physics - Theory · Physics 2009-06-08 Jan Perz , Paul Smyth , Thomas Van Riet , Bert Vercnocke

We construct interpolating solutions describing single-center static extremal non-supersymmetric black holes in four-dimensional N=2 supergravity theories with cubic prepotentials. To this end, we derive and solve first-order flow equations…

High Energy Physics - Theory · Physics 2009-11-18 Gabriel Lopes Cardoso , Anna Ceresole , Gianguido Dall'Agata , Johannes M. Oberreuter , Jan Perz

We study extremal black hole solutions to four dimensional N=2 supergravity based on a cubic symmetric scalar manifold. Using the coset construction available for these models, we define the first order flow equations implied by the…

High Energy Physics - Theory · Physics 2015-06-05 Guillaume Bossard , Stefanos Katmadas

We consider electrically charged static nonextremal black holes in $d$-dimensional Einstein-Maxwell-(A)dS gravity, whose horizon is a generic Einstein space in $d-2$ dimensions. It is shown that for this system the Hamilton-Jacobi equation…

High Energy Physics - Theory · Physics 2017-11-22 Dietmar Klemm , Marco Rabbiosi

We consider the flow equations for $1/4$-BPS asymptotically AdS$_4$ static black holes in Fayet-Iliopoulos gauged supergravity, using very special geometry identities to obtain a simplified form in the most general case. Under mild…

High Energy Physics - Theory · Physics 2015-06-19 Stefanos Katmadas

We investigate the stabilisation equations for sufficiently general, yet regular, extremal (supersymmetric and non-supersymmetric) and non-extremal black holes in four-dimensional N=2 supergravity using both the H-FGK approach and a…

High Energy Physics - Theory · Physics 2013-04-10 Pietro Galli , Kevin Goldstein , Jan Perz

The general solutions of the radial attractor flow equations for extremal black holes, both for non-BPS with non-vanishing central charge Z and for Z=0, are obtained for the so-called stu model, the minimal rank-3 N=2 symmetric supergravity…

High Energy Physics - Theory · Physics 2015-05-13 S. Bellucci , S. Ferrara , A. Marrani , A. Yeranyan

For both extremal and non-extremal spherically symmetric black holes in theories with massless scalars and vectors coupled to gravity, we derive a general form of first-order gradient flow equations, equivalent to the equations of motion.…

High Energy Physics - Theory · Physics 2009-06-08 Jan Perz , Paul Smyth , Thomas Van Riet , Bert Vercnocke

We construct new static, spherically symmetric non-extremal black hole solutions of four-dimensional ${\cal N}=2$ supergravity, using a systematic technique based on dimensional reduction over time (the c-map) and the real formulation of…

High Energy Physics - Theory · Physics 2015-06-11 David Errington , Thomas Mohaupt , Owen Vaughan

Following the same treatment of Bellucci et.al., we obtain the hitherto unknown general solutions of the radial attractor flow equations for extremal black holes, both for non-BPS with non-vanishing and vanishing central charge Z for the…

High Energy Physics - Theory · Physics 2012-12-12 Raju Roychowdhury

We study non-BPS black hole solutions to ungauged supergravity with 8 supercharges coupled to vector multiplets in four and five dimensions. We identify a large class of five dimensional non-BPS solutions, which we call "almost BPS", that…

High Energy Physics - Theory · Physics 2009-05-20 Kevin Goldstein , Stefanos Katmadas

At the horizon, a static extremal black hole solution in N=2 supergravity in four dimensions is determined by a set of so-called attractor equations which, in the absence of higher-curvature interactions, can be derived as extremization…

High Energy Physics - Theory · Physics 2009-10-07 Gabriel Lopes Cardoso , Viviane Grass , Dieter Lust , Jan Perz

We study the flow equations for BPS black holes in $\mathcal{N} = 2$ five-dimensional gauged supergravity coupled to any number of vector multiplets via FI couplings. We develop the Noether-Wald procedure in this context and exhibit the…

High Energy Physics - Theory · Physics 2023-08-28 Marina David , Nizar Ezroura , Finn Larsen

We derive the BPS type of first order differential equations for the rotating black hole solutions in the three-dimensional Einstein gravity coupled minimally with a self-interacting scalar field, using fake supersymmetry formalism. It…

High Energy Physics - Theory · Physics 2013-04-03 Seungjoon Hyun , Jaehoon Jeong , Sang-Heon Yi

We obtain the solution for non-extremal charged rotating black holes in seven-dimensional gauged supergravity, in the case where the three rotation parameters are set equal. There are two independent charges, corresponding to gauge fields…

High Energy Physics - Theory · Physics 2009-09-17 Z. -W. Chong , M. Cvetic , H. Lu , C. N. Pope

By studying the BPS equations for electrostatic and spherically symmetric configurations in N=2, d=5 gauged supergravity with vector multiplets and hypermultiplets coupled, we demonstrate that no regular supersymmetric black-hole solutions…

High Energy Physics - Theory · Physics 2009-04-21 Alessio Celi

In arXiv:1207.2679 a new prescription for finding nonextremal black hole solutions to N=2, D=4 Fayet-Iliopoulos gauged supergravity was presented, and explicit solutions of various models containing one vector multiplet were constructed.…

High Energy Physics - Theory · Physics 2015-06-12 Dietmar Klemm , Owen Vaughan

We derive extremal black hole solutions for a variety of four dimensional models which, after Kaluza-Klein reduction, admit a description in terms of 3D gravity coupled to a sigma model with symmetric target space. The solutions are in…

High Energy Physics - Theory · Physics 2009-06-10 Davide Gaiotto , Wei Li , Megha Padi

We consider N=2 supergravity in four dimensions, coupled to an arbitrary number of vector- and hypermultiplets, where abelian isometries of the quaternionic hyperscalar target manifold are gauged. Using a static and spherically or…

High Energy Physics - Theory · Physics 2016-09-14 Dietmar Klemm , Nicolò Petri , Marco Rabbiosi
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