Collision of domain walls in asymptotically anti-de Sitter spacetime

被引：22
作者：
Takamizu, Yu-ichi
Maeda, Kei-ichi
机构：
[1] Waseda Univ, Dept Phys, Tokyo 1698555, Japan
[2] Waseda Univ, Adv Res Inst Sci & Engn, Tokyo 1698555, Japan
[3] Waseda Univ, Inst Astrophys, Tokyo 1698555, Japan
来源：
PHYSICAL REVIEW D | 2006年 / 73卷 / 10期
关键词：
D O I：
10.1103/PhysRevD.73.103508
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We study collision of two domain walls in five-dimensional asymptotically anti-de Sitter spacetime. This may provide the reheating mechanism of an ekpyrotic (or cyclic) brane universe, in which two Bogomol'nyi-Prasad-Sommerfield branes collide and evolve into a hot big bang universe. We evaluate a change of scalar field making the domain wall and can investigate the effect of a negative cosmological term in the bulk to the collision process and the evolution of our universe.
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页数：13
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