Geometry and Matter Reduction in a 5D Kaluza-Klein Framework
Abstract
In this paper we consider the Kaluza-Klein fields equations in presence of a generic 5D matter tensor which is governed by a conservation equation due to 5D Bianchi identities. Following a previous work, we provide a consistent approach to matter where the problem of huge massive modes is removed, without relaxing the compactification hypotheses; therefore we perform the dimensional reduction either for metric fields and for matter, thus identifying a pure 4D tensor term, a 4D vector term and a scalar one. Hence we are able to write down a consistent set of equations for the complete dynamics of matter and fields ; with respect to the pure Einstein-Maxwell system we now have two additional scalar field: the usual dilaton one plus a scalar source term. Some significant scenarios involving these terms are discussed and perspectives for cosmological applications are suggested.
Cite
@article{arxiv.0906.0804,
title = {Geometry and Matter Reduction in a 5D Kaluza-Klein Framework},
author = {Valentino Lacquaniti and Giovanni Montani},
journal= {arXiv preprint arXiv:0906.0804},
year = {2015}
}
Comments
to appear on IJMPA