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Subject to some relatively mild assumptions, we derive the complete form of all timelike half-supersymmetric solutions to N=2, D=4 gauged supergravity coupled to an arbitrary number of abelian vector multiplets. This is done using spinorial…

High Energy Physics - Theory · Physics 2014-11-20 Dietmar Klemm , Emanuele Zorzan

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

New stationary solutions of $4$-dimensional dilaton-axion gravity are presented, which correspond to the charged Taub-NUT and Israel-Wilson-Perjes (IWP) solutions of Einstein-Maxwell theory. The charged axion-dilaton Taub-NUT solutions are…

High Energy Physics - Theory · Physics 2010-11-01 Renata Kallosh , David Kastor , Tomas Ortin , Tibor Torma

We find a class of non-supersymmetric multi-center solutions of the STU model of five-dimensional ungauged supergravity. The solutions are determined by a system of linear equations defined on a four-dimensional K\"ahler manifold with…

High Energy Physics - Theory · Physics 2013-02-19 Nikolay Bobev , Ben Niehoff , Nicholas P. Warner

We start by revisiting the problem of finding BPS solutions in $\mathcal{N}=4$ SU(2)$\times$SU(2) gauged supergravity. We report on a new supersymmetric solution in the Abelian sector of the theory, which describes a soliton that is regular…

High Energy Physics - Theory · Physics 2022-02-23 Fabrizio Canfora , Julio Oliva , Marcelo Oyarzo

Found is a general form of static solutions in exactly solvable models of 2d dilaton gravity at finite temperature. We reveal a possibility for the existence of everywhere regular solutions including black holes, semi-infinite throats and…

High Energy Physics - Theory · Physics 2009-10-31 O. B. Zaslavskii

We find a new non BPS solution in $N=2$ $D=4$ gauged supergravity coupled to $U(1)$ gauge fields and matter. It consists in a closed universe with two extremal black holes of equal size, surrounding two singularities. They have opposite…

High Energy Physics - Theory · Physics 2021-12-08 Sergio Luigi Cacciatori , Davide Astesiano

We study static, spherically symmetric, and purely magnetic solutions of SU(2) $\times$ SU(2) gauge supergravity in four dimensions. A systematic analysis of the supersymmetry conditions reveals solutions which preserve 1/8 of the…

High Energy Physics - Theory · Physics 2010-11-19 Ali H. Chamseddine , Mikhail S. Volkov

Strings in $\mathcal{N}=2$ supersymmetric ${\rm U}(1)^N$ gauge theories with $N$ hypermultiplets are studied in the generic setting of an arbitrary Fayet-Iliopoulos triplet of parameters for each gauge group and an invertible charge matrix.…

High Energy Physics - Theory · Physics 2021-03-11 Sven Bjarke Gudnason , Minoru Eto , Muneto Nitta

We present new results towards the construction of the most general black hole solutions in four-dimensional Fayet-Iliopoulos gauged supergravities. In these theories black holes can be asymptotically AdS and have arbitrary mass, angular…

High Energy Physics - Theory · Physics 2015-06-17 Alessandra Gnecchi , Kiril Hristov , Dietmar Klemm , Chiara Toldo , Owen Vaughan

We consider a deformation of the well-known stu model of $N=2$, $D=4$ supergravity, characterized by a non-homogeneous special K\"{a}hler manifold, and by the smallest electric-magnetic duality Lie algebra consistent with its upliftability…

High Energy Physics - Theory · Physics 2015-07-21 Dietmar Klemm , Alessio Marrani , Nicolò Petri , Camilla Santoli

We describe new half-BPS cosmic string solutions in N=2, d=4 supergravity coupled to one vector multiplet and one hypermultiplet. They are closely related to D-term strings in N=1 supergravity. Fields of the N=2 theory that are frozen in…

High Energy Physics - Theory · Physics 2009-11-11 Ana Achucarro , Alessio Celi , Mboyo Esole , Joris Van den Bergh , Antoine Van Proeyen

We discuss Fayet-Iliopoulos terms in the context of five-dimensional supergravity compactified on an orbifold. For this purpose we use our superfield formulation of the off-shell 5D SUGRA. In the case of tuned FI terms, contrary to other…

High Energy Physics - Theory · Physics 2009-11-10 Filipe Paccetti Correia , Michael G. Schmidt , Zurab Tavartkiladze

BPS domain wall solutions of gauged supergravities are found, including those theories which have non-compact gauge groups. These include models that have both an unstable de Sitter solution and stable domain wall solutions.

High Energy Physics - Theory · Physics 2010-02-03 C. M. Hull

The existence of static, spherically symmetric, self-gravitating scalar field solutions in the context of Born-Infeld gravity is explored. Upon a combination of analytical approximations and numerical methods, the equations for a free…

General Relativity and Quantum Cosmology · Physics 2017-09-06 V. I. Afonso , Gonzalo J. Olmo , D. Rubiera-Garcia

We present BPS black hole solutions in a four-dimensional $\mathcal{N}=2$ supergravity with an abelian dyonic gauging of the universal hypermultiplet moduli space. This supergravity arises as the SU(3)-invariant subsector in the reduction…

High Energy Physics - Theory · Physics 2017-10-25 Adolfo Guarino , Javier Tarrio

We analyze the BPS equations in the ``superstratum sector'' of three-dimensional gauged supergravity. We obtain multi-parameter supersymmetric solutions that include elliptical deformations of the supertubes that underlie standard…

High Energy Physics - Theory · Physics 2022-09-28 Bogdan Ganchev , Anthony Houppe , Nicholas P. Warner

We consider theories of N=2 supergravity with Fayet-Iliopoulos gauging, and describe a procedure to obtain non-BPS extremal black hole solutions in asymptotically AdS_4 space, in a fully symplectic covariant framework. By considering both…

High Energy Physics - Theory · Physics 2013-04-09 Alessandra Gnecchi , Chiara Toldo

In this note we construct families of asymptotically flat, smooth, horizonless solutions with a large number of non-trivial two-cycles (bubbles) of N=1 five-dimensional supergravity with an arbitrary number of vector multiplets, which may…

High Energy Physics - Theory · Physics 2010-10-27 Miranda C. N. Cheng

We find an infinite class of non-supersymmetric multi-center solutions to the STU model in five-dimensional ungauged supergravity coupled to two vector multiplets. The solutions are obtained by solving a system of linear equations on a…

High Energy Physics - Theory · Physics 2015-06-17 Benjamin E. Niehoff
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