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Wave function of the radion with a bulk scalar field

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arxiv hep-th/0201191 v1 pith:GK75SEN3 submitted 2002-01-24 hep-th

P. Brax , C. van de Bruck , A.C. Davis , C.S. Rhodes This is my paper · ORCID
classification hep-th
keywords radionfieldscalarbulkeffectivefour-dimensionalactionbehaviour
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The behaviour of the distance between two branes (the `radion') in a braneworld model with a bulk scalar field is investigated. We show that the BPS conditions of supergravity ensure that the dynamics of the scalar field and the radion are not independent; we derive the four-dimensional effective action, showing that the effective theory is of scalar--tensor nature, coupling the radion to four-dimensional gravity.

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