2004•Modern Physics Letters AOpen access

GRAVITATIONAL WAVES IN GENERALISED BRANS–DICKE THEORY

B. K. SAHOO, L. P. S. Singh

Abstract

We have solved cosmological gravitational wave (GW) equation in the framework of generalised Brans–Dicke (GBD) theory for all epochs of the Universe. The solutions are expressed in terms of the present value ω0 of the Brans–Dicke coupling parameter. We also obtain the constraints on ω0 for the solutions to represent growing modes in different epochs.

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Key concepts: Brans–Dicke theory, Physics, Gravitational wave, Gravitation, Universe, Coupling (piping), Classical mechanics, Theoretical physics