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Related papers: Non-BPS Attractors in 5d and 6d Extended Supergrav…

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We find a class of d=4, N=2 supergravity with $R^2$-interactions that admits exact BPS black holes. The prepotential contains quadratic, cubic and chiral curvature-squared terms. Black hole geometry realizes stretched horizon, and consists…

High Energy Physics - Theory · Physics 2007-05-23 Dongsu Bak , Seok Kim , Soo-Jong Rey

We study non-supersymmetric solutions of five dimensional N=2 supergravity theories coupled to an arbitrary number of abelian vector multiplets. The solutions constructed can be considered as deformations of known supersymmetric black hole…

High Energy Physics - Theory · Physics 2009-05-29 J. B. Gutowski , W. A. Sabra

In this paper we analyse non-supersymmetric single centred extremal black hole solutions in N=2 supergravity theory coupled to $n$ vector multiplets with purely cubic pre-potential in four dimensions. We consider the algebraic attractor…

High Energy Physics - Theory · Physics 2017-05-03 Prasanta K. Tripathy

We study the critical points of the black hole scalar potential $V_{BH}$ in N=2, d=4 supergravity coupled to $n_{V}$ vector multiplets, in an asymptotically flat extremal black hole background described by a 2(n_{V}+1)-dimensional dyonic…

High Energy Physics - Theory · Physics 2009-11-11 Stefano Bellucci , Sergio Ferrara , Murat Gunaydin , Alessio Marrani

We use the connection between the U-duality groups in d=5 and d=4 to derive properties of the N=8 black hole potential and its critical points (attractors). This approach allows to study and compare the supersymmetry features of different…

High Energy Physics - Theory · Physics 2010-01-26 Anna Ceresole , Sergio Ferrara , Alessandra Gnecchi

Using the harmonic superspace method and the duality between real and complex representations of hypermultiplets, we compute the explicit scalar field expression of the quaternionic metric $G_{mn}$ of the moduli space…

High Energy Physics - Theory · Physics 2008-11-26 El Hassan Saidi

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 present a method of constructing generic single-centered and multi-centered extremal black hole solutions in a large class of 4D N=2 supergravities coupled to vector-multiplets with cubic prepotentials. The method is applicable to models…

High Energy Physics - Theory · Physics 2008-01-17 Wei Li

We investigate five-dimensional static (non-)extremal black hole solutions in higher derivative Anti-de Sitter gravity theories with neutral scalars non-minimally coupled to gauge fields. We explicitly identify the boundary counterterms to…

High Energy Physics - Theory · Physics 2009-12-10 Dumitru Astefanesei , Nabamita Banerjee , Suvankar Dutta

[abridged version] We study extremal solutions arising in M-theory compactifications on Calabi-Yau threefolds, focussing on non-BPS attractors for their importance in relation to the Weak Gravity Conjecture. In the low-energy/field theory…

High Energy Physics - Theory · Physics 2022-02-15 Alessio Marrani , Anshul Mishra , Prasanta K. Tripathy

In this paper, we consider the charged non-extremal black hole at five dimensional N = 2 supergravity. We study thermodynamics of AdS_{5} black hole with three equal charges (q_{1} = q_{2} = q_{3} = q). We obtain Schrodinger like equation…

High Energy Physics - Theory · Physics 2013-09-26 B. Pourhassan , J. Sadeghi , A. Chatrabhuti

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

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 present a simple example of a supersymmetric attractor mechanism in the purely open string context of D-branes embedded in curved space-time. Our example involves a class of D3-branes embedded in the 2-charge D1-D5 background of type IIB…

High Energy Physics - Theory · Physics 2009-11-13 Joris Raeymaekers

We analyze BPS black hole attractors in 4d gauged supergravity in the presence of higher derivative supersymmetric terms, including a Weyl-squared-type action, and determine the resulting corrections to the Bekenstein-Hawking entropy. The…

High Energy Physics - Theory · Physics 2016-03-14 Kiril Hristov , Stefanos Katmadas , Ivano Lodato

We explore BPS strings in supergravity theories in six-dimensions and related Swampland Conjectures. We first propose a general modular ansatz for bootstrapping elliptic genera of 2d worldvolume theories on strings in the 6d theories. By…

High Energy Physics - Theory · Physics 2023-12-19 Hirotaka Hayashi , Hee-Cheol Kim , Minsung Kim

We explore 1/16-BPS objects of type IIB string theory in AdS_5 * S^5. First, we consider supersymmetric AdS_5 black holes, which should be 1/16-BPS and have a characteristic that not all physical charges are independent. We point out that…

High Energy Physics - Theory · Physics 2009-11-11 Seok Kim , Ki-Myeong Lee

Motivated by the new higher D-supergravity solutions on intersecting attractors obtained by Ferrara et al. in [Phys.Rev.D79:065031-2009], we focus in this paper on 8D maximal supergravity with moduli space [SL(3,R)/SO(3)]x[SL(2,R)/SO(2)]…

High Energy Physics - Theory · Physics 2011-11-10 L. B Drissi , F. Z Hassani , H. Jehjouh , E. H Saidi

In this paper we study spherically symmetric single-centered attractors in N=2 supergravity in four dimensions. The attractor points are obtained by extremising the effective black hole potential in the moduli space. Using the 4D-5D…

High Energy Physics - Theory · Physics 2015-06-22 Pramod Dominic , Taniya Mandal , Prasanta K. Tripathy

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