Towards natural inflation from weakly coupled heterotic string theory

Hiroyuki Abe, Tatsuo Kobayashi, Hajime Otsuka

研究成果: Article

13 引用 (Scopus)


We propose natural inflation from the heterotic string theory on the "Swiss-Cheese" Calabi- Yau manifold with multiple U(1) magnetic fluxes. Such multiple U(1) magnetic fluxes stabilize the same number of the linear combination of the universal axion and Kähler axions, and one of the Kähler axions is identified as the inflaton. This axion decay constant can be determined by the size of one-loop corrections to the gauge kinetic function of the hidden gauge groups, which leads effectively to the trans-Planckian axion decay constant consistent with the Planck data. During the inflation, the real parts of the moduli are also stabilized by employing the nature of the "Swiss-Cheese" Calabi-Yau manifold.

ジャーナルProgress of Theoretical and Experimental Physics
出版物ステータスPublished - 2015 1 1

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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