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We study stationary black brane solutions in the context of N = 2, U(1) gauged supergravity in five dimensions. Using the formalism of first-order flow equations, we construct examples of extremal black brane solutions that include Nernst…

High Energy Physics - Theory · Physics 2014-03-13 Susanne Barisch-Dick , Gabriel Lopes Cardoso , Michael Haack , Suresh Nampuri

We consider the supergravity solution describing a configuration of intersecting D-4-branes with non-vanishing worldvolume gauge fields. The entropy of such a black hole is calculated in terms of the D-branes quantised charges. The…

High Energy Physics - Theory · Physics 2009-10-30 Miguel S. Costa , Malcolm J. Perry

We study extremal 5- and 4-dimensional black hole solutions of the Heterotic Superstring effective action at first order in $\alpha'$ with, respectively, 3 and 4 charges of arbitrary signs. For a particular choice of the relative signs of…

High Energy Physics - Theory · Physics 2022-04-13 Pablo A. Cano , Tomás Ortín , Alejandro Ruipérez , Matteo Zatti

We develop the framework of boundary derivative expansion (BDE) formalism of fluid/gravity correspondence in compactified D4-brane system, which is a nonconformal background used in top-down holographic QCD models. Such models contain the…

High Energy Physics - Theory · Physics 2016-03-23 Chao Wu , Yidian Chen , Mei Huang

We calculate the entropy of 4-charge extremal black holes in Type IIA supersting theory by using Sen's entropy function method. Using the low energy effective actions in both $10D$ and 4D, we find precise agreements with the…

High Energy Physics - Theory · Physics 2008-11-26 Rong-Gen Cai , Da-Wei Pang

The entropy and the attractor equations for static extremal black hole solutions follow from a variational principle based on an entropy function. In the general case such an entropy function can be derived from the reduced action evaluated…

High Energy Physics - Theory · Physics 2010-10-27 G. L. Cardoso , B. de Wit , S. Mahapatra

Non-extremal overlapping p-brane supergravity solutions localised in their relative transverse coordinates are constructed. The construction uses an algebraic method of solving the bosonic equations of motion. It is shown that these…

High Energy Physics - Theory · Physics 2014-11-18 I. Ya. Aref'eva , M. G. Ivanov , O. A. Rytchkov , I. V. Volovich

We consider N=2 supergravity in four dimensions with small R^2 curvature corrections. We construct large charge non-extremal black hole solutions in all space, with either a supersymmetric or a non-supersymmetric extremal limit, and analyze…

High Energy Physics - Theory · Physics 2009-12-15 Eyal Gruss

In this paper we introduce a natural function class and prove the existence and uniqueness of both nonnegative renormalized solutions and entropy solutions for the fractional p-Laplacian parabolic problem with L^1 data. And moreover, we…

Analysis of PDEs · Mathematics 2017-08-17 Kaimin Teng , Chao Zhang , Shulin Zhou

We propose a generic recipe for deforming extremal black holes into non-extremal black holes and we use it to find and study the non-extremal black-hole solutions of several N=2,d=4 supergravity models (SL(2,R)/U(1), CPn and STU with four…

High Energy Physics - Theory · Physics 2015-05-28 Pietro Galli , Tomas Ortin , Jan Perz , C. S. Shahbazi

The universal thermodynamic relations between corrections to entropy and extremality for various black holes solutions have been studied. In this regard, we hereby consider a number of different black brane solutions in different structures…

General Relativity and Quantum Cosmology · Physics 2022-11-22 J. Sadeghi , B. Pourhassan , S. Noori Gashti , S. Upadhyay

We consider brane solutions where the tensor degrees of freedom are excited. Explicit solutions to the full non-linear supergravity equations of motion are given for the M5 and D3 branes, corresponding to finite selfdual tensor or…

High Energy Physics - Theory · Physics 2010-02-03 Martin Cederwall , Ulf Gran , Magnus Holm , Bengt E. W. Nilsson

Using alpha'^3 terms of type IIB supergravity action we study higher order corrections to the non-relativistic non-extremal D3-brane. Utilizing the corrected solution we evaluate corrections to temperature, entropy and shear viscosity. We…

High Energy Physics - Theory · Physics 2009-08-12 Mohsen Alishahiha , Ahmad Ghodsi

The supergravity solutions to various $p$-branes are presented and typically it breaks one quarter of supersymmetry except for the D1 brane case, where it breaks one half of supersymmetry and are manifestly non-relativistic in nature. The…

High Energy Physics - Theory · Physics 2009-12-15 Shesansu Sekhar Pal

We apply the H-FGK formalism to the study of some properties of the general class of black holes in N=2 supergravity in four dimensions that correspond to the harmonic and hyperbolic ansatze and obtain explicit extremal and non-extremal…

High Energy Physics - Theory · Physics 2015-06-12 Pietro Galli , Tomas Ortin , Jan Perz , Carlos S. Shahbazi

We construct supergravity solutions corresponding to space-like branes in string theory. Our approach is to apply the usual solution generating techniques to an appropriate time-dependent solution of the eleven dimensional vacuum Einstein…

High Energy Physics - Theory · Physics 2009-11-07 Martin Kruczenski , Robert C. Myers , Amanda W. Peet

We observe that the $N^3$ entropy behavior of near-extermal M5 branes can be reproduced from SYM side with the role of Myers' terms. We start by generalizing the Klebanov-Tseytlin (KT) supergravity solution that displays the $N^3$ entropy…

High Energy Physics - Theory · Physics 2012-11-09 E. Hatefi , A. J. Nurmagambetov , I. Y. Park

We show how the superembedding formalism can be applied to construct manifestly kappa-symmetric higher derivative corrections for the D9-brane. We also show that all correction terms appear at even powers of the fundamental length scale…

High Energy Physics - Theory · Physics 2008-11-26 J. M. Drummond , S. F. Kerstan

We apply the entropy formalism to the study of the near-horizon geometry of extremal black p-brane intersections in D>5 dimensional supergravities. The scalar flow towards the horizon is described in terms an effective potential given by…

High Energy Physics - Theory · Physics 2009-11-06 S. Ferrara , A. Marrani , J. F. Morales , H. Samtleben

We prove that for arbitrary black brane solutions of generic Supergravities there is an adapted system of variables in which the equations of motion are exactly invariant under electric-magnetic duality, i.e. the interchange of a given…

High Energy Physics - Theory · Physics 2015-06-23 Pablo Bueno , Tomas Ortin , C. S. Shahbazi