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We present a new 3-brane solution to Einstein's equations in (1+5)-spacetime with a negative bulk cosmological constant. This solution is a stringlike defect solution with decreasing scale function approaching a finite non-zero value in the…

High Energy Physics - Theory · Physics 2014-11-18 P. Midodashvili , L. Midodashvili

A new solution to Einstein equations in (1+5)-spacetime with an embedded (1+3) brane is given. This solution localizes the zero modes of all kinds of matter fields and 4-gravity on the (1+3) brane by an increasing, transverse gravitational…

High Energy Physics - Theory · Physics 2009-11-10 Merab Gogberashvili , Douglas Singleton

We present a new (1+3)-brane solution to Einstein equations in (1+5)-space. As distinct from previous models this solution is free of singularities in the full 6-dimensional space-time. The gravitational potential transverse to the brane is…

High Energy Physics - Theory · Physics 2011-07-19 Merab Gogberashvili , Douglas Singleton

We look for solutions in Einstein gravity corresponding to inflating braneworlds of arbitrary dimension and co-dimension. These solutions correspond to isolated sources (no long range fields). Using dynamical systems techniques, we show…

High Energy Physics - Theory · Physics 2009-11-10 Ruth Gregory

We present a new brane solution in the (1+5)-dimensional space-time with an increasing warp factor, which localizes the zero modes of all kinds of matter fields and Newtonian gravity. The interesting features of this solution are: 1) In…

High Energy Physics - Phenomenology · Physics 2009-11-10 Michael Maziashvili

We present new solutions of higher dimensional Einstein's equations with a cosmological constant that localize gravity on branes which are transverse to Ricci-flat manifolds or to homogeneous spaces with topologically non-trivial solutions…

High Energy Physics - Theory · Physics 2009-10-31 Seif Randjbar-Daemi , Mikhail Shaposhnikov

Growing non-singular solution of 6-dimensional Einstein equations for the 4-brane in infinite transversal 2-space is found. This solution provides gravitational trapping of matter and 4-dimensional gravity on the brane without extra…

High Energy Physics - Phenomenology · Physics 2009-10-31 Merab Gogberashvili , Paul Midodashvili

A new solution to Einstein's equations with a negative bulk cosmological constant in infinite (1+5)-spacetime is found. It is shown that the zero modes of all kinds of matter fields and 4-gravity are localized in (1+3) subspace by the…

High Energy Physics - Theory · Physics 2007-05-23 Pavle Midodashvili

We present two new solutions to Einstein's equations in (1+5)-spacetime with a positive bulk cosmological constant. One solution has increasing and another solution decreasing bounded scale function without singularities in the range from…

High Energy Physics - Theory · Physics 2007-05-23 P. Midodashvili

Brane world models with a non-minimally coupled bulk scalar field have been studied recently. In this paper we consider metric fluctuations around an arbitrary gravity-scalar background solution, and we show that the corresponding spectrum…

High Energy Physics - Theory · Physics 2008-11-26 K. Farakos , G. Koutsoumbas , P. Pasipoularides

Solutions of Einstein's equations are found for global defects in a higher-dimensional spacetime with a nonzero cosmological constant Lambda. The defect has a (p-1)-dimensional core (brane) and a `hedgehog' scalar field configuration in the…

High Energy Physics - Theory · Physics 2010-04-06 Itsaso Olasagasti , Alexander Vilenkin

We study solutions of Einstein's equations corresponding codimension n>2 global topological defects with de Sitter slices. We analyze a class of solutions that are cylindrically symmetric and admit positive, negative or zero bulk…

High Energy Physics - Theory · Physics 2009-11-10 I. Olasagasti , K. Tamvakis

We consider the metrics for cosmic strings and $p$-branes in spacetime dimension $N>4$, that is, we look for solutions to Einstein-Maxwell-Dilaton gravity in $N$-dimensions with boost symmetry in the $p$-directions along the brane.…

High Energy Physics - Theory · Physics 2009-10-28 Ruth Gregory

We look at general braneworlds in six-dimensional Einstein-Gauss-Bonnet gravity. We find the general matching conditions for the Einstein-Gauss-Bonnet braneworld, which remarkably turn out to give precisely the four-dimensional Einstein…

High Energy Physics - Theory · Physics 2009-11-10 Paul Bostock , Ruth Gregory , Ignacio Navarro , Jose Santiago

In the intersecting braneworld models, higher curvature corrections to the Einstein action are necessary to provide a non-trivial geometry (brane tension) at the brane junctions. By introducing such terms in a Gauss-Bonnet form, we give an…

High Energy Physics - Theory · Physics 2008-11-26 Ishwaree P. Neupane

We compute the gravitational response of six dimensional gauged, chiral supergravity to localized stress energy on one of two space-filling branes, including the effects of compactifying the extra dimensions and brane back-reaction. We find…

High Energy Physics - Theory · Physics 2015-06-18 C. P. Burgess , L. van Nierop , M. Williams

We present new rotating black brane solutions which solve Einstein's equations with cosmological constant $\Lambda$ in arbitrary dimension $d$. For negative $\Lambda$, the branes naturally appear in AdS supergravity compactifications, and…

High Energy Physics - Theory · Physics 2010-02-03 Dietmar Klemm

We study a 6-dimensional Einstein-Born-Infeld-Higgs model. In the limit of infinite Born-Infeld coupling, this model reduces to an Einstein-Abelian-Higgs model, in which gravity localising solutions were shown to exist. In this proceeding,…

High Energy Physics - Theory · Physics 2009-11-10 Betti Hartmann , Yves Brihaye

We construct exact gravitational field solutions for a relativistic particle localized on a tensional brane in brane-induced gravity. They are a generalization of gravitational shock waves in 4D de Sitter space. We provide the metrics for…

High Energy Physics - Theory · Physics 2009-11-11 Nemanja Kaloper

We report the issues of localization of various bulk fields on a brane in a curved background from a local field-theoretic viewpoint where a special attention is paid to a warp geometry in a general space-time dimension. We point out that…

High Energy Physics - Theory · Physics 2007-05-23 Ichiro Oda
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