Super-Horizon Scale Dynamics of Multi-Scalar Inflation
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概要
- 論文の詳細を見る
We consider the dynamics of a multi-component scalar field on super-horizon scales in the context of inflationary cosmology. We present a method to solve the perturbation equations on super-horizon scales, i.e., in the long wavelength limit, by using only the knowledge of spatially homogeneous background solutions. In so doing, we clarify the relation between the perturbation equations in the long wavelength limit and the background equations. Then, as a natural extension of our formalism, we provide a strategy to study super-horizon scale perturbations beyond the standard linear perturbation theory. Namely, we reformulate our method so as to take into account the nonlinear dynamics of the scalar field.
- 理論物理学刊行会の論文
- 1998-05-25
著者
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SASAKI Misao
Yukawa Institute for Theoretical Physics, Kyoto University
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Sasaki Misao
Department Of Earth And Space Science Graduate School Of Science Osaka University
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Tanaka T
Department Of Physics Graduate School Of Science Kyoto University
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Tanaka Takahiro
Department Of Cardiology Showa General Hospital
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SASAKI Misao
Department of Earth and Space Science, Osaka University
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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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SASAKI Misao
Research Institute for Theoretical Physics, Hiroshima University
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SASAKI Misao
Department of Physics, School of Science, University of Tokyo
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