Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2006-11-22
Phys.Rev.D74:123513,2006
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
19 pages, 3 figures, accepted for publication on PRD
Scientific paper
10.1103/PhysRevD.74.123513
The covariant gauge invariant perturbation theory of scalar cosmological perturbations is developed for a general Scalar-Tensor Friedmann-Lemaitre-Robertson-Walker cosmology in a vacuum. The perturbation equations are then solved exactly in the long wavelength limit for a specific coupling, potential and background. Differences with the minimally coupled case are briefly discussed.
Carloni Sante
Dunsby Peter K. S.
Rubano Claudio
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