COSMOLOGICAL MODEL IN 2D DILATON GRAVITY

被引：0

作者：

MISHIMA, T ^{[1
]}

NAKAMICHI, A ^{[1
]}

机构：

[1] TOKYO INST TECHNOL,DEPT PHYS,TOKYO 152,JAPAN

来源：

PROGRESS OF THEORETICAL PHYSICS SUPPLEMENT | 1993年 / 114期

关键词：

D O I：

暂无

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We apply CGHS-type dilaton gravity model to (1+1)-dimensional cosmological situations. First the behavior of a compact 1-dimensional universe (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.

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页码：207 / 219

页数：13

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