It is shown that the amplification of a light beam by gravitational waves in scalar-tensor theories of gravity is a first order effect in the wave amplitudes. In general relativity, instead, the effect is only of second order.
@article{arxiv.astro-ph/9602154,
title = {Light amplification by gravitational waves in scalar-tensor theories of gravity},
author = {Valerio Faraoni},
journal= {arXiv preprint arXiv:astro-ph/9602154},
year = {2007}
}
Comments
7 pages, LaTex, no figures, to be published in Astrophysical Letters and Communications