Small field axion inflation with sub-Planckian decay constant

Kenji Kadota, Tatsuo Kobayashi, Akane Oikawa, Naoya Omoto, Hajime Otsuka, Takuya H. Tatsuishi

    Research output: Contribution to journalArticlepeer-review

    6 Citations (Scopus)

    Abstract

    We study an axion inflation model recently proposed within the framework of type IIB superstring theory, where we pay a particular attention to a sub-Planckian axion decay constant. Our axion potential can lead to the small field inflation with a small tensor-to-scalar ratio, and a typical reheating temperature can be as low as GeV.

    Original languageEnglish
    Article number013
    JournalJournal of Cosmology and Astroparticle Physics
    Volume2016
    Issue number10
    DOIs
    Publication statusPublished - 2016 Oct 10

    Keywords

    • axions
    • inflation
    • string theory and cosmology

    ASJC Scopus subject areas

    • Astronomy and Astrophysics

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