New potentials for string axion inflation

Tatsuo Kobayashi, Akane Oikawa, Hajime Otsuka

    Research output: Contribution to journalArticle

    18 Citations (Scopus)

    Abstract

    We propose a new type of axion inflation with complex structure moduli in the framework of type IIB superstring theory compactified on the Calabi-Yau manifold. The inflaton is identified as the axion for the complex structure moduli whose potential is originating from instantonic corrections appearing through the period vector of the mirror Calabi-Yau manifold. The axionic shift symmetry is broken down to the discrete one by the inclusion of the instantonic correction and certain three-form fluxes. Our proposed inflation scenario is compatible with Kähler moduli stabilization. We also study a typical reheating temperature in the case of complex structure moduli inflation.

    Original languageEnglish
    Article number083508
    JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
    Volume93
    Issue number8
    DOIs
    Publication statusPublished - 2016 Apr 13

    Fingerprint

    strings
    string theory
    broken symmetry
    stabilization
    inclusions
    mirrors
    heating
    shift
    temperature

    ASJC Scopus subject areas

    • Nuclear and High Energy Physics

    Cite this

    New potentials for string axion inflation. / Kobayashi, Tatsuo; Oikawa, Akane; Otsuka, Hajime.

    In: Physical Review D - Particles, Fields, Gravitation and Cosmology, Vol. 93, No. 8, 083508, 13.04.2016.

    Research output: Contribution to journalArticle

    Kobayashi, Tatsuo ; Oikawa, Akane ; Otsuka, Hajime. / New potentials for string axion inflation. In: Physical Review D - Particles, Fields, Gravitation and Cosmology. 2016 ; Vol. 93, No. 8.
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