Inflationary tensor perturbation in Eddington-inspired Born-Infeld gravity

Inyong Cho; Hyeong Chan Kim

doi:10.1103/PhysRevD.90.024063

Inflationary tensor perturbation in Eddington-inspired Born-Infeld gravity

Inyong Cho
, Hyeong Chan Kim

School of Natural Sciences

Korea National University of Transportation

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

16 Scopus citations

Abstract

We investigate the tensor perturbation in the inflation model driven by a massive scalar field in Eddington-inspired Born-Infeld gravity. For short-wavelength modes, the perturbation feature is very similar to that of the usual chaotic inflation. For long-wavelength modes, the perturbation exhibits a peculiar rise in the power spectrum which may leave a signature in the cosmic microwave background radiation.

Original language	English
Article number	024063
Journal	Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume	90
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevD.90.024063
State	Published - 23 Jul 2014

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10.1103/PhysRevD.90.024063

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abstract = "We investigate the tensor perturbation in the inflation model driven by a massive scalar field in Eddington-inspired Born-Infeld gravity. For short-wavelength modes, the perturbation feature is very similar to that of the usual chaotic inflation. For long-wavelength modes, the perturbation exhibits a peculiar rise in the power spectrum which may leave a signature in the cosmic microwave background radiation.",

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AB - We investigate the tensor perturbation in the inflation model driven by a massive scalar field in Eddington-inspired Born-Infeld gravity. For short-wavelength modes, the perturbation feature is very similar to that of the usual chaotic inflation. For long-wavelength modes, the perturbation exhibits a peculiar rise in the power spectrum which may leave a signature in the cosmic microwave background radiation.

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Inflationary tensor perturbation in Eddington-inspired Born-Infeld gravity

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