Minimal gauge inflation and the refined Swampland conjecture

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Abstract

The refined de Sitter (dS) conjecture provides two consistency conditions for an effective theory potential of a quantum gravity theory. Any inflationary model can be checked by these conditions and minimal gauge inflation is not an exception. We develop a generic method to analyze a monotonically growing potential with an inflection point on the way to the plateau near the top such as the potential in minimal gauge inflation model and the Higgs inflation. Taking the latest observational data into account, we find the fully consistent parameter space where the model resides in the Landscape rather than in the Swampland.

Original languageEnglish
Article number053
JournalJournal of Cosmology and Astroparticle Physics
Volume2019
Issue number1
DOIs
Publication statusPublished - 2019 Jan 28

Bibliographical note

Funding Information:
SC is thankful to Kohei Kamada and Ryusuke Jinno for valuable comments and Matt Reece for discussion during the CERN-TH institute in summer 2018. This work was supported in part by the National Research Foundation of Korea (NRF) grant funded by the Korean government (MSIP) (No.2016R1A2B2016112) and (NRF-2018R1A4A1025334).

Publisher Copyright:
© 2019 IOP Publishing Ltd and Sissa Medialab.

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics

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