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Fluctuating brane in a dilatonic bulk

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arxiv hep-th/0212067 v1 pith:RYLWFCWJ submitted 2002-12-05 hep-th astro-phgr-qchep-ph

Philippe Brax , David Langlois , Maria Rodriguez-Martinez This is my paper
classification hep-thastro-phgr-qchep-ph
keywords branebulkcosmologicalfluctuationsspacetimebackgroundbehavioursbouncing
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We consider a cosmological brane moving in a static five-dimensional bulk spacetime endowed with a scalar field whose potential is exponential. After studying various cosmological behaviours for the homogeneous background, we investigate the fluctuations of the brane that leave spacetime unaffected. A single mode embodies these fluctuations and obeys a wave equation which we study for bouncing and ever-expanding branes.

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