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Collision of Domain Walls in asymptotically Anti de Sitter spacetime

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arxiv hep-th/0603076 v1 pith:LPDNITJ6 submitted 2006-03-09 hep-th astro-phgr-qchep-ph

Collision of Domain Walls in asymptotically Anti de Sitter spacetime

classification hep-th astro-phgr-qchep-ph
keywords collisiondomainuniverseantiasymptoticallysitterspacetimewalls
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We study collision of two domain walls in 5-dimensional asymptotically Anti de Sitter spacetime. This may provide the reheating mechanism of an ekpyrotic (or cyclic) brane universe, in which two BPS branes collide and evolve into a hot big bang universe. We evaluate a change of scalar field making the domain wall and can investigate the effect of a negative cosmological term in the bulk to the collision process and the evolution of our universe.

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    In a 2D dilaton-gravity model, stronger gravity shifts kink-antikink bounce windows to higher speeds and narrows them, leaves a lasting contraction of the conformal scale, and produces no curvature singularity in the ...