学術雑誌論文 New potentials for string axion inflation

Kobayashi, Tatsuo  ,  Oikawa, Akane  ,  Otsuka, Hajime

93 ( 8 )  , p.083508 , 2016-04-14 , American Physical Society (APS)
ISSN:2470-0010
内容記述
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.
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http://eprints.lib.hokudai.ac.jp/dspace/bitstream/2115/61880/1/PhysRevD.93.083508.pdf

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