Scalar Perturbations and Conformal Transformation

Details Scalar Perturbations and Conformal Transformation Scalar Perturbations and Conformal Transformation

1996-04-02

arxiv.org/abs/gr-qc/9604006v1

Grav.Cosmol. 3 (1997) 165-171

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Latex, 14 pages

Scientific paper

The non-minimal coupling of gravity to a scalar field can be transformed into a minimal coupling through a conformal transformation. We show how to connect the results of a perturbation calculation, performed around a Friedmann-Robertson-Walker background solution, before and after the conformal transformation. We work in the synchronous gauge, but we discuss the implications of employing other formalisms.

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