Quantum Back-Reaction in Scale Invariant Induced Gravity Inflation

Details Quantum Back-Reaction in Scale Invariant Induced Gravity Inflation Quantum Back-Reaction in Scale Invariant Induced Gravity Inflation

2010-11-17

arxiv.org/abs/1011.3958v2

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Shortened article, changed title. Accepted for publication in Physical Review D; 10 pages, 2 figures

Scientific paper

10.1103/PhysRevD.84.063517

A quartic, self-interacting potential in the induced gravity framework is known to have a pure de Sitter attractor for the homogeneous mode. In order to obtain non-zero slow roll parameters we therefore study the quantum back-reaction of the scalar and the tensor perturbations on such a homogeneous dynamics. The results are then compared with inflationary observables in order to constrain the parameters of the model.

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