paper

Gravitational waves from a binary source in higher dimensional spacetime with compactified extra dimensions

arXiv:2608.06487 · doi:10.1007/s10714-026-03599-y

Abstract

We consider the emission of gravitational waves (GW) from a compact binary in a spacetime with compactified extra dimensions. We solve the homogeneous and non-homogeneous wave equation, proving that there is an infinite sum of exponentially decaying pseudo-massive modes which add to the usual one which behaves as 1/r at infinity. We calculate the metric potentials, the equations of motion and the energy flux. We find that in the equations of motion there is a new term at -1PN order. This implies a modification of the energy flux.

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