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Related papers: N=4 BPS black holes and octonionic twistors

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We propose a program for counting microstates of four-dimensional BPS black holes in N >= 2 supergravities with symmetric-space valued scalars by exploiting the symmetries of timelike reduction to three dimensions. Inspired by the…

High Energy Physics - Theory · Physics 2011-02-09 Murat Gunaydin , Andrew Neitzke , Boris Pioline , Andrew Waldron

The supersymmetric solutions of N=2, D=4 minimal ungauged and gauged supergravity are classified according to the fraction of preserved supersymmetry using spinorial geometry techniques. Subject to a reasonable assumption in the…

High Energy Physics - Theory · Physics 2008-11-26 S. L. Cacciatori , M. M. Caldarelli , D. Klemm , D. S. Mansi , D. Roest

In this note, we explore holographic attributes of four-dimensional near-extremal Reissner-Nordstrom black hole solutions in ungauged ${\cal N}=2$ supergravity theories at the two-derivative level by recasting them as a specific first-order…

High Energy Physics - Theory · Physics 2022-05-25 Pedro Aniceto , Gabriel Lopes Cardoso , Suresh Nampuri

In this paper we describe the structure of extremal stationary spherically symmetric black hole solutions in the STU model of D=4, N=2 supergravity in terms of four-qubit systems. Our analysis extends the results of previous investigations…

High Energy Physics - Theory · Physics 2014-11-20 Péter Lévay

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 extremal black hole attractors (both BPS and non-BPS) for N=3 and N=5 supergravity in d=4 space-time dimensions. Attractors for matter-coupled N=3 theory are similar to attractors in N=2 supergravity minimally coupled to Abelian…

High Energy Physics - Theory · Physics 2009-02-20 S. Ferrara , A. Gnecchi , A. Marrani

We present the explicit form for all the four dimensional, static, spherically symmetric solutions in $(4+n)$-d Abelian Kaluza-Klein theory by performing a subset of $SO(2,n)$ transformations corresponding to four $SO(1,1)$ boosts on the…

High Energy Physics - Theory · Physics 2009-09-17 Mirjam Cvetic , Donam Youm

All supersymmetric N=1, D=4 supergravity horizons have toroidal or spherical topology, irrespective of whether the black hole preserves any supersymmetry.

High Energy Physics - Theory · Physics 2010-11-30 J. Gutowski , G. Papadopoulos

We derive static spherically symmetric regular black holes as vacuum solutions to purely gravitational theories in four dimensions. To that end, we construct four-dimensional non-polynomial gravities starting from subclasses of…

General Relativity and Quantum Cosmology · Physics 2026-02-20 Johanna Borissova , Raúl Carballo-Rubio

We elaborate further on the static supersymmetric AdS_4 black holes found in arXiv:0911.4926, investigating thoroughly the BPS constraints for spherical symmetry in N = 2 gauged supergravity in the presence of Fayet-Iliopoulos terms. We…

High Energy Physics - Theory · Physics 2015-05-20 Kiril Hristov , Stefan Vandoren

We construct four-dimensional domain wall solutions of N=2 gauged supergravity coupled to vector and to hypermultiplets. The gauged supergravity theories that we consider are obtained by performing two types of Abelian gauging. In both…

High Energy Physics - Theory · Physics 2009-10-07 Klaus Behrndt , Gabriel Lopes Cardoso , Dieter Lust

We construct quartic quasitopological gravity, a theory of gravity containing terms quartic in the curvature that yields second order differential equations in the spherically symmetric case. Up to a term proportional to the quartic term in…

High Energy Physics - Theory · Physics 2015-05-30 M. H. Dehghani , A. Bazrafshan , R. B. Mann , M. R. Mehdizadeh , M. Ghanaatian , M. H. Vahidinia

We find exact spherically symmetric solution of 4d nonlinear bosonic higher-spin gauge theory, that preserves a quarter of supersymmetries of N=2 supersymmetric 4d higher-spin gauge theory. In the weak field regime it describes $AdS_4$…

High Energy Physics - Theory · Physics 2013-12-17 V. E. Didenko , M. A. Vasiliev

We discuss general bosonic stationary configurations of N=2, D=4 supergravity coupled to vector multiplets. The requirement of unbroken supersymmetries imposes constraints on the holomorphic symplectic section of the underlying special…

High Energy Physics - Theory · Physics 2009-10-07 Klaus Behrndt , Dieter Lust , Wafic. A. Sabra

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

Using the general results on the classification of timelike supersymmetric solutions of all 4-dimensional N >1 supergravity theories, we show how to construct all the supersymmetric (single- and multi-) black-hole solutions of N=8…

High Energy Physics - Theory · Physics 2013-05-30 Tomas Ortin , C. S. Shahbazi

We derive and solve the black hole attractor conditions of N=8 supergravity by finding the critical points of the corresponding black hole potential. This is achieved by a simple generalization of the symplectic structure of the special…

High Energy Physics - Theory · Physics 2016-09-06 Sergio Ferrara , Renata Kallosh

We study the possibility of constructing non-BPS charged black holes in 5D Poincare supergravity by partially violating superconformal Killing spinor equations. However, solutions to these modified first order equations are inconsistent…

High Energy Physics - Theory · Physics 2009-04-29 Akhil Shah

We study supersymmetric $AdS_6$ black holes from matter-coupled $F(4)$ gauged supergravity coupled to four vector multiplets with $ISO(3)\times U(1)$ gauge group. This gauged supergravity admits a maximally supersymmetric $AdS_6$ vacuum…

High Energy Physics - Theory · Physics 2025-02-11 Parinya Karndumri

We compute the supersymmetric index of half BPS black holes in N=2 supergravity with higher curvature corrections and show that the result agrees with the degeneracy of supersymmetric extremal black holes carrying the same charges. Both…

High Energy Physics - Theory · Physics 2024-11-14 Subramanya Hegde , Ashoke Sen , P Shanmugapriya , Amitabh Virmani