Quantum Gravity and String Theory

   

Is a Non Zero “LOWER” Order Graviton Mass Derivable in Brane Theory Settings and Kaluza Klein Graviton Models?

Authors: A.W. Beckwith

The lowest order mass for a KK graviton, as a non zero product of two branes interacting via a situation similar to Steinhardt’s ekpyrotic universe is obtained, as to an alternative to the present dogma specifying that gravitons must be massless. The relative positions as to the branes gives a dynamical picture as to how lowest order KK gravitons could be affected by contraction and then subsequent expansion. And the solution picked is for with a non zero lowest order mass for a KK graviton permits modeling of gravitons via a dynamical Casmir effect which we generalize using Durrer’s 2007 work. Anti-de-Sitter braneworld.construction is what is used to model the Casmir effect. This analysis is taken in AdS5 geometry while assuming that blue spectrum treatment of gravitons no longer holds.

Comments: 8 pages. Extensively re done due to criticism of an editor in classical and quantum gravity

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Submission history

[v1] 2012-07-04 15:51:50
[v2] 2012-07-04 22:32:22
[v3] 2012-07-19 05:51:01

Unique-IP document downloads: 94 times

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