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Graviton production in anti-de Sitter braneworld cosmology: A fully consistent treatment of the brane motion

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Submitted to Physical Review. D. 2009
Description 11 p.
Abstract In recent work by two of us, [Durrer & Ruser, PRL 99, 071601 (2007); Ruser & Durrer PRD 76, 104014 (2007)], graviton production due to a moving spacetime boundary (braneworld) in a five dimensional bulk has been considered. In the same way as the presence of a conducting plate modifies the electromagnetic vacuum, the presence of a brane modifies the graviton vacuum. As the brane moves, the time dependence of the vacuum leads to particle creation via the so called 'dynamical Casimir effect'. In our previous work a term in the boundary condition which is linear in the brane velocity has been neglected. In this work we develop a new approach which overcomes this approximation. We show that the previous results are not modified if the brane velocity is low.
Keywords BraneworldsDynamical Casimir effectGraviton production
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RUSER, Marcus et al. Graviton production in anti-de Sitter braneworld cosmology: A fully consistent treatment of the brane motion. Submitted to: Physical Review. D, 2009. https://archive-ouverte.unige.ch/unige:1095

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Deposited on : 2009-03-06

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