Gauss-Bonnet brane gravity with a confining potential
نویسندگان
چکیده
منابع مشابه
Gauss-Bonnet Brane World Gravity with a Scalar Field
The effective four-dimensional, linearised gravity of a brane world model with one extra dimension and a single brane is analysed [1, 2]. The model includes higher order curvature terms (such as the Gauss-Bonnet term) and a conformally coupled scalar field. Large and small distance gravitational laws are derived. In contrast to the corresponding Einstein gravity models, it is possible to obtain...
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The effective four-dimensional, linearised gravity for a brane world model with higher order curvature terms and a bulk scalar field is analysed. Large and small distance gravitational laws are derived. The model has a single brane embedded in a fivedimensional bulk spacetime, and the scalar field represents the dilaton or a moduli field. The quadratic, Gauss-Bonnet curvature term (and correspo...
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We consider 5-dimensional spacetimes of constant 3-dimensional spatial curvature in the presence of a bulk cosmological constant. We find the general solution of such a configuration in the presence of a Gauss-Bonnet term. Two classes of non-trivial bulk solutions are found. The first class is valid only under a fine tuning relation between the Gauss-Bonnet coupling constant and the cosmologica...
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We study the cosmological properties of a codimension two brane world that sits at the intersection between two four branes, in the framework of six dimensional EinsteinGauss-Bonnet gravity. Due to contributions of the Gauss-Bonnet terms, the junction conditions require the presence of localized energy density on the codimension two defect. The induced metric on this surface assumes a FRW form,...
متن کاملGauss-Bonnet Brane Cosmology with Radion Stabilization
G.L. Alberghi 2, 3, ∗ and A. Tronconi 3, † Department of Physics, University of Bologna, Via Irnerio 46, 40126 Bologna, Italy. Department of Astronomy, University of Bologna, Italy. I.N.F.N., Sezione di Bologna, Italy. We study cosmology in a five-dimensional brane-world with a stabilizing effective potential for the radion and matter localized on the two branes. We consider the corrections ind...
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ژورنال
عنوان ژورنال: Physical Review D
سال: 2007
ISSN: 1550-7998,1550-2368
DOI: 10.1103/physrevd.75.064010