Inflationary tensor perturbation in Eddington-inspired Born-Infeld gravity

Inyong Cho, Hyeong Chan Kim

Research output: Contribution to journalArticlepeer-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 languageEnglish
Article number024063
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume90
Issue number2
DOIs
StatePublished - 23 Jul 2014

Fingerprint

Dive into the research topics of 'Inflationary tensor perturbation in Eddington-inspired Born-Infeld gravity'. Together they form a unique fingerprint.

Cite this