Axion decay constants at special points in type II string theory

Masaki Honda, Akane Oikawa, Hajime Otsuka

    Research output: Contribution to journalArticle

    1 Citation (Scopus)

    Abstract

    We propose the mechanism to disentangle the decay constant of closed string axion from the string scale in the framework of type II string theory on Calabi-Yau manifold. We find that the quantum and geometrical corrections in the prepotential that arise at some special points in the moduli space widen the window of axion decay constant. In particular, around the small complex structure points, the axion decay constant becomes significantly lower than the string scale. We also discuss the moduli stabilization leading to the phenomenologically attractive low-scale axion decay constant.

    Original languageEnglish
    Article number64
    JournalJournal of High Energy Physics
    Volume2017
    Issue number1
    DOIs
    Publication statusPublished - 2017 Jan 1

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    string theory
    strings
    decay
    stabilization

    Keywords

    • Strings and branes phenomenology

    ASJC Scopus subject areas

    • Nuclear and High Energy Physics

    Cite this

    Axion decay constants at special points in type II string theory. / Honda, Masaki; Oikawa, Akane; Otsuka, Hajime.

    In: Journal of High Energy Physics, Vol. 2017, No. 1, 64, 01.01.2017.

    Research output: Contribution to journalArticle

    Honda, Masaki ; Oikawa, Akane ; Otsuka, Hajime. / Axion decay constants at special points in type II string theory. In: Journal of High Energy Physics. 2017 ; Vol. 2017, No. 1.
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