Isocurvature Fluctuations of the M-Theory Axion in a Hybrid Inflation Model : Particles and Fields

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概要

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• The M-theory, the strong-coupling heterotic string theory, presents various interesting new phenomenologies. The M-theory bulk axion is one of these. The decay constant in this context is estimated as F_a ≃ 10^<16> GeV. Direct searches for the M-theory axion seem impossible because of the large decay constant. However, we point out that large isocurvature fluctuations of the M-theory axion are obtained in a hybrid inflation model, which will most likely be detectable in future satellite experiments on anisotropies of cosmic microwave background radiation.

• 理論物理学刊行会の論文
• 1998-11-25

著者

• KAWASAKI Masahiro

  Institute for Cosmic Ray Research, University of Tokyo

• YANAGIDA Tsutomu

  Institute for the Physics and Mathematics of the Universe (IPMU), University of Tokyo

• SUGIYAMA Naoshi

  Department of Physics and Astrophysics, Nagoya University

• Masahiro Kawasaki

  Institute For Cosmic Ray Research University Of Tokyo

• Kanazawa T

  Univ. Tokyo Tokyo Jpn

• KANAZAWA Toshiyuki

  Department of Physics,School of Science,University of Tokyo

• Kanazawa Toshiyuki

  Department Of Cardiovascular Surgery Saitama Children's Hospital

• Yanagida Tsutomu

  Institute For The Physics And Mathematics Of The Universe (ipmu) University Of Tokyo:department Of P

• Sugiyama Naoshi

  Department Of Physics And Astrophysics Nagoya University

• Sugiyama Naoshi

  Department Of Physics Kyoto University

• Kawasaki Masahiro

  Institute For Cosmic Ray Research University Of Tokyo

• Yanagida Tsutomu

  Institute For Cosmic Ray Research University Of Tokyo : Research Center For The Early Universe (resc

• Kawasaki Masahiro

  Institute For Cosmic Ray Research The University Of Tokyo

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