Density Perturbations in the Brans-Dicke Theory

Details Density Perturbations in the Brans-Dicke Theory Density Perturbations in the Brans-Dicke Theory

1996-03-06

arxiv.org/abs/gr-qc/9603015v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

26 pages, latex file

Scientific paper

10.1007/BF00645648

We analyse the fate of density perturbation in the Brans-Dicke Theory, giving a general classification of the solutions of the perturbed equations when the scale factor of the background evolves as a power law. We study with details the cases of vacuum, inflation, radiation and incoherent matter. We find, for the a negative Brans-Dicke parameter, a significant amplification of perturbations.

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