Cosmological Model in 2d Dilaton Gravity

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概要

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• We apply CGHS-type dilaton gravity model to (1+1)-dimensional cosmological situations. First the behavior of a compact 1-dimensionaluniverse (I.e. like a closed string) is classified on the assumption of homogeneity of universe. Several interesting solutions are found, which include a Misner-type universe having closed time-like curves, and an asymptotically de Sitter universe first pointed out by Yoshimura. In the second half of this paper, we discuss the modification of the classical homogeneous solutions, considering inhomogeneity of classical conformal matters and also quantum back-reaction respectively.

• 理論物理学刊行会の論文
• 1994-01-31

著者

• Nakamichi Akika

  Department Of Physics Tokyo Institute Of Technology

• MISHIMA Takashi

  Physical Science Laboratories, College of Science and Technology Nihon University

• Mishima Takashi

  Physical Science Laboratories College Of Science And Technology Nihon University

• NAKAMICHI Akika

  Department of Physics, Tokyo Institute of Technology

関連論文

• Cosmological Model in 2d Dilaton Gravity

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