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New potentials for string axion inflation

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Title: New potentials for string axion inflation
Authors: Kobayashi, Tatsuo Browse this author →KAKEN DB
Oikawa, Akane Browse this author
Otsuka, Hajime Browse this author
Issue Date: 14-Apr-2016
Publisher: American Physical Society (APS)
Journal Title: Physical review D
Volume: 93
Issue: 8
Start Page: 083508
Publisher DOI: 10.1103/PhysRevD.93.083508
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 Kahler moduli stabilization. We also study a typical reheating temperature in the case of complex structure moduli inflation.
Type: article
Appears in Collections:理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 小林 達夫

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