Effects of the Generalized Uncertainty Principle on the Inflation Parameters

Details Effects of the Generalized Uncertainty Principle on the Inflation Parameters Effects of the Generalized Uncertainty Principle on the Inflation Parameters

2009-10-15

arxiv.org/abs/0910.2808v2

Int.J.Mod.Phys.D19:513-521,2010

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

11 pages, revised version with new references, Accepted for publication in IJMPD

Scientific paper

10.1142/S0218271810016543

We investigate the effects of the generalized uncertainty principle on the inflationary dynamics of the early universe in both standard and braneworld viewpoint. We choose the Randall-Sundrum II model as our underlying braneworld scenario. We find that the quantum gravitational effects lead to a spectral index which is not scale invariant. Also, the amplitude of density fluctuations is reduced by increasing the strength of quantum gravitational corrections. However, the tensor-to-scalar ratio increases by incorporation of these quantum gravity effects. We outline possible manifestations of these quantum gravity effects in the recent and future observations.

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