Stochastic Dynamics of New Inflation : Astrophysics and Relativity
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概要
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We investigate thoroughly the dynamics of an inflation-driving scalar field in terms of an extended version of the stochastic approach proposed by Starobinsky and discuss the spacetime structure of the inflationary universe. To avoid any complications which might arise due to quantum gravity, we concentrate our discussion on the new inflationary universe scenario in which all the energy scales involved are well below the Planck mass. The investigation is done both analytically and numerically. In particular, we present a full numerical analysis of the stochastic scalar field dynamics on the phase space. Then implications of the results are discussed.
- 理論物理学刊行会の論文
- 1988-12-25
著者
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Nambu Yasusada
Research Institute For Theoretical Physics Hiroshima University
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Sasaki Misao
Research Institute For Fundamental Physics Kyoto University
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Nakano Ken-ichi
Research Institute For Theoretical Physics Hiroshima University
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Nambu Yoichiro
The Enrico Fermi Institute And Department Of Physics University Of Chicago
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SASAKI Misao
Department of Earth and Space Science, Graduate School of Science Osaka University
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SASAKI Misao
Research Institute for Fundamental Physics, Kyoto University
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Nakao Ken-ichi
Research Institute for Theoretical Physics Hiroshima University
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