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In the context of the Randall-Sundrum braneworld, the minimal geometric deformation approach, which has been successfully used to generate exact interior solutions to Einstein's field equations for static braneworld stars with local and…

General Relativity and Quantum Cosmology · Physics 2010-12-09 J. Ovalle

In the context of the Randall-Sundrum braneworld, the minimal geometric deformation approach (MGD) is used to generate a new physically acceptable interior solution to Einstein's field equations for a spherically symmetric compact…

General Relativity and Quantum Cosmology · Physics 2013-11-21 J Ovalle , F Linares , A Pasqua , A Sotomayor

In the context of the Randall-Sundrum braneworld, an exhaustive and detailed description of the approach based in the minimal anisotropic consequence onto the brane, which has been successfully used to generate exact interior solutions to…

General Relativity and Quantum Cosmology · Physics 2017-08-23 J Ovalle

We build analytical models of spherically symmetric stars in the brane-world, in which the external space-time contains both an ADM mass and a tidal charge. In order to determine the interior geometry, we apply the principle of minimal…

General Relativity and Quantum Cosmology · Physics 2013-03-26 Roberto Casadio , Jorge Ovalle

The minimal geometric deformation approach was introduced in order to study the exterior space-time around spherically symmetric self-gravitating systems, like stars or similar astrophysical objects as well, in the Randall-Sundrum…

General Relativity and Quantum Cosmology · Physics 2015-10-15 Roberto Casadio , Jorge Ovalle , Roldao da Rocha

In the context of the braneworld, a method to find consistent solutions to Einstein's field equations in the interior of a spherically symmetric, static and non uniform stellar distribution with Weyl stresses is developed. This method,…

General Relativity and Quantum Cosmology · Physics 2009-02-11 J Ovalle

We analyze the effective field equations of the Randall-Sundrum braneworld coupled with a Klein-Gordon scalar field through the minimal geometric deformation decoupling method (MGD-decoupling). We introduce two different ways to apply the…

High Energy Physics - Theory · Physics 2022-03-31 P. León , A. Sotomayor

We present a variant formulation of the Randall-Sundrum model which solves both the hierarchy and charge universality problems. We first critique the rationale for hierarchy solution and 4D effective interactions in the Randall-Sundrum…

High Energy Physics - Theory · Physics 2007-05-23 Katherine Benson

The braneworld scenario, based on the fact that the four dimension space-time is a hyper-surface of a five dimensional manifold, was shown to deal in a satisfactory way with the hierarchy problem. In this work we study macroscopic stellar…

Nuclear Theory · Physics 2015-07-01 Luis B. Castro , Marcelo D. Alloy , Débora P. Menezes

We discuss physical implications of the four-dimensional effective supergravity, that describes low-energy physics of the Randall--Sundrum model with moduli fields in the bulk and charged chiral matter living on the branes. Cosmological…

High Energy Physics - Theory · Physics 2017-08-23 Zygmunt Lalak

Low-energy effective theories provide the natural description of four-dimensional physics in higher-dimensional geometries, where the imprint of the bulk appears as parameters of the lower dimensional theory. Motivated by the recent…

High Energy Physics - Theory · Physics 2026-03-11 Soham Bhattacharyya , Soumitra SenGupta

We consider spherically symmetric solutions within the context of brane-world theory without mirror symmetry or any form of junction conditions. For a constant curvature bulk, we obtain the modified Tolman-Oppenheimer-Volkoff (TOV) interior…

General Relativity and Quantum Cosmology · Physics 2009-11-13 Malihe Heydari-Fard , Hamid R. Sepangi

In the Randall-Sundrum scenario we investigate the dynamics of a spherically symmetric 3-brane world when matter fields are present in the bulk. To analyze the 5-dimensional Einstein equations we employ a global conformal transformation…

High Energy Physics - Theory · Physics 2008-11-26 Rui Neves , Cenalo Vaz

In this paper, we investigate the Randall-Sundrum type braneworld models in the scalar-tensor theory with field derivative coupling to the Einstein tensor. We first formulate the generalized junction conditions of the metric and the scalar…

General Relativity and Quantum Cosmology · Physics 2015-06-18 Masato Minamitsuji

Stellar structure in braneworlds is markedly different from that in ordinary general relativity. As an indispensable first step towards a more general analysis, we completely solve the ``on brane'' 4-dimensional Gauss and Codazzi equations…

High Energy Physics - Theory · Physics 2009-11-07 Matt Visser , David L. Wiltshire

We consider a solution of the effective four-dimensional brane-world equations, obtained from the General Relativistic Schwarzschild metric via the principle of Minimal Geometric Deformation, and investigate the corresponding signatures…

General Relativity and Quantum Cosmology · Physics 2015-06-01 Roberto Casadio , Jorge Ovalle , Roldao da Rocha

An analysis of a spherically symmetric braneworld configuration is performed when the intrinsic curvature scalar is included in the bulk action; the vanishing of the electric part of the Weyl tensor is used as the boundary condition for the…

High Energy Physics - Theory · Physics 2009-07-10 G. Kofinas , E. Papantonopoulos , I. Pappa

The main objective of this work is to study in some detail the Randall-Sundrum gravity under the gravitational decoupling through the minimal geometric deformation approach (MGD-decoupling). We show a family of new black hole solutions as…

General Relativity and Quantum Cosmology · Physics 2020-08-21 P. León , A. Sotomayor

We provide a methodology for decoupling the bulk gravitational field equations of braneworld black holes to suppress the bulk singularities. Thus, we provide a regular braneworld black hole setup. To achieve this, we apply a Minimal…

General Relativity and Quantum Cosmology · Physics 2025-01-10 Milko Estrada , T. M. Crispim , G. Alencar

We elaborate on the recently proposed static brane world scenario, where the effective 4-D cosmological constant is exponentially small when parallel 3-branes are far apart. We extend this result to a compactified model with two positive…

High Energy Physics - Theory · Physics 2009-10-31 Eanna Flanagan , Nicholas Jones , Horace Stoica , S. -H. Henry Tye , Ira Wasserman
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