De-Sitter and double asymmetric brane worlds
Autor: | R. Omar Rodriguez, Rommel Guerrero, Rafael Torrealba |
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Jazyk: | angličtina |
Rok vydání: | 2005 |
Předmět: |
Physics
High Energy Physics - Theory Nuclear and High Energy Physics Gravity (chemistry) Space time FOS: Physical sciences Cosmological constant Gravitation Domain wall (string theory) Theoretical physics General Relativity and Quantum Cosmology High Energy Physics::Theory Classical mechanics High Energy Physics - Theory (hep-th) De Sitter universe Brane cosmology Brane |
Popis: | Asymmetric brane worlds with dS expansion and static double kink topology are obtained from a recently proposed method and their properties are analyzed. These domain walls interpolate between two spacetimes with different cosmological constants. In the dynamic case, the vacua correspond to dS and AdS geometry, unlike the static case where they correspond to AdS background. We show that is possible to confine gravity on such branes. In particular, the double brane world host two different walls, so that the gravity is localized on one of them. 8 pages, 10 figures |
Databáze: | OpenAIRE |
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