Document Detail


Dynamical casimir effect in braneworlds.
MedLine Citation:
PMID:  17930884     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
In braneworld cosmology the expanding Universe is realized as a brane moving through a warped higher-dimensional spacetime. Like a moving mirror causes the creation of photons out of vacuum fluctuations, a moving brane leads to graviton production. We show that, very generically, Kaluza-Klein (KK) particles scale like stiff matter with the expansion of the Universe and can therefore not represent the dark matter in a warped braneworld. We present results for the production of massless and KK gravitons for bouncing branes in five-dimensional anti-de Sitter space. We find that for a realistic bounce the back reaction from the generated gravitons will be most likely relevant. This Letter summarizes the main results and conclusions from numerical simulations which are presented in detail in a long paper [M. Ruser and R. Durrer, arXiv:0704.0790].
Authors:
Ruth Durrer; Marcus Ruser
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Publication Detail:
Type:  Journal Article     Date:  2007-08-15
Journal Detail:
Title:  Physical review letters     Volume:  99     ISSN:  0031-9007     ISO Abbreviation:  Phys. Rev. Lett.     Publication Date:  2007 Aug 
Date Detail:
Created Date:  2007-10-12     Completed Date:  2007-12-06     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0401141     Medline TA:  Phys Rev Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  071601     Citation Subset:  -    
Affiliation:
Département de Physique Théorique, Université de Genève, 24 quai Ernest Ansermet, CH-1211 Genève 4, Switzerland. ruth.durrer@physics.unige.ch
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