Cosmological Perturbations with Multiple Scalar Fields

Details Cosmological Perturbations with Multiple Scalar Fields Cosmological Perturbations with Multiple Scalar Fields

1996-08-08

arxiv.org/abs/gr-qc/9608018v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

2 pages, revtex, no figures

Scientific paper

In this brief note we present a set of equations describing the evolution of perturbed scalar fields in a cosmological spacetime with multiple scalar fields. We take into account of the simultaneously excited full metric perturbations in the context of the uniform-curvature gauge which is known to be the best choice. The equations presented in a compact form will be useful for handling the structure formation processes under the multiple episodes of inflation.

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