BibTeX
@MISC{Durrer04testingextra,
author = {Ruth Durrer},
title = {Testing extra dimensions with the binary pulsar},
year = {2004}
}
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Abstract
Abstract. In this paper we calculate the emission of gravity waves by the binary pulsar in the framework of five dimensional spacetime. We consider only spacetimes with one compact extra-dimension. We show that the presence of additional degrees of freedom, especially the ’gravi-scalar ’ leads to a modification of Einstein’s quadrupole formula. We compute the induced change for the binary pulsar PSR 1913+16 in the simple example of a 5d Minkowski background. In the example of a cylindrical braneworld it amounts to about 20 % which is by far excluded by present experimental data. PACS numbers: 04.30.-w,04.50.+h,04.30.Db,04.80.CcTesting extra dimensions with the binary pulsar 2 1.
