Four-Dimensional Newton’s Constant in Brane World with a Sloping Extra Dimension

被引：0
|
作者：
Shu Zhu
Shao-Feng Wu
Peng-Ming Zhang
Guo-Hong Yang
机构：
[1] Shanghai University,College of Science
[2] National Laboratory of Heavy Ion Accelerator,Center of Theoretical Nuclear Physics
[3] Institute of Modern Physics,undefined
来源：
International Journal of Theoretical Physics | 2008年 / 47卷
关键词：
Extra Dimension; Einstein Equation; Weyl Tensor; Friedmann Equation; Junction Condition;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We show the four-dimensional Newton’s constant obtained naturally from five-dimensional brane world with a tinily sloping extra dimension, which is independent of the bulk Weyl tensor. The corresponding universe is stiff fluid dominated when the slope of extra dimension is very small. Otherwise, the universe may be undergoing a self-acceleration at present epoch and have a decelerated phase in very recent past.
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页码：2259 / 2267
页数：8
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