Chaotic inflation in Jordan frame supergravity
- Authors
- Lee, Hyun Min
- Issue Date
- Aug-2010
- Publisher
- IOP PUBLISHING LTD
- Keywords
- inflation; supersymmetry and cosmology; cosmology of theories beyond the SM
- Citation
- JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, no.8
- Journal Title
- JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
- Number
- 8
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/50759
- DOI
- 10.1088/1475-7516/2010/08/003
- ISSN
- 1475-7516
- Abstract
- We consider the inflationary scenario with non-minimal coupling in 4D Jordan frame supergravity. We find that there occurs a tachyonic instability along the direction of the accompanying non-inflaton field in generic Jordan frame supergravity models. We propose a higher order correction to the Jordan frame function for solving the tachyonic mass problem and show that the necessary correction can be naturally generated by the heavy thresholds without spoiling the slow-roll conditions. We discuss the implication of the result on the Higgs inflation in NMSSM.
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- Appears in
Collections - College of Natural Sciences > Department of Physics > 1. Journal Articles
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