Hyperbolic inflation

Yoonbai Kim; Seong Chan Park

doi:10.1103/PhysRevD.83.066009

Hyperbolic inflation

Yoonbai Kim, Seong Chan Park

Department of Physics

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

We propose a natural scenario for the cosmological inflation with the nonminimal coupling term invoking compact hyperbolic extra dimensions. Thanks to the unique mathematical properties of compact hyperbolic space, the large volume of extra dimensions, which provides a natural understanding of the proper size of couplings, does not necessarily accompany with the low Kaluza-Klein scale so that the model allows a single field inflation with a scale around 1013GeV. The model fulfills all the observed data and predicts a sizable gravitational perturbation, r3×10^-3.

Original language	English
Article number	066009
Journal	Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume	83
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevD.83.066009
Publication status	Published - 2011 Mar 9

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics
Physics and Astronomy (miscellaneous)

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10.1103/PhysRevD.83.066009

Cite this

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Hyperbolic inflation

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