EAS Publications Series
Volume 30, 2008Spanish Relativity Meeting - Encuentros Relativistas Españoles , ERE2007: Relativistic Astrophysics and Cosmology
|Page(s)||289 - 293|
|Published online||30 September 2008|
A. Oscoz, E. Mediavilla and M. Serra-Ricart (eds)
EAS Publications Series, 30 (2008) 289-293
Gravitational waves and lensing in the metric theory proposed by Sobouti
Instituto de Astronomía, Universidad
Nacional Autónomade México, AP 70-264, Ciudad Universitaria, Distrito
Federal CP 04510, México
2 Centro de Radio Astronomía y Astrofísica, Universidad Nacional Autónomade México, AP 72-3 (Xangari) Morelia, Michoacán CP 58089, México
We show that the metric f(R) theory of gravitation proposed by Sobouti (2007) predicts the existence of gravitational waves travelling at the speed of light in vacuum. In fact, this is prooved in general terms for all metric theories of gravity which can be expressed as powers of Ricci's scalar R. We also show that an extra additional lensing as compared to that predicted by standard general relativity is produced in that theory.
© EAS, EDP Sciences, 2008
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