Perturbations in Matter Bounce with Non-minimal Coupling

Details Perturbations in Matter Bounce with Non-minimal Coupling Perturbations in Matter Bounce with Non-minimal Coupling

2010-07-15

arxiv.org/abs/1007.2571v2

JCAP 1011:012,2010

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

15 pages, 4 figures

Scientific paper

10.1088/1475-7516/2010/11/012

In this paper, we investigate the perturbations in matter bounce induced from Lee-Wick lagrangian with the involvement of non-minimal coupling to the Einstein Gravity. We find that this extra non-minimal coupling term can cause a red-tilt on the primordial metric perturbation at extremely large scales. It can also lead to large enhancement of reheating of the normal field particles compared to the usual minimal coupling models.

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