Need of dark energy for dynamical compactification of extra dimensions on the brane

被引：15

作者：

Cuadros-Melgar, B

Papantonopoulos, E

机构：

[1] Natl Tech Univ Athens, Dept Phys, GR-15780 Athens, Greece

[2] Univ Sao Paulo, Inst Fis, BR-05315970 Sao Paulo, Brazil

来源：

PHYSICAL REVIEW D | 2005年 / 72卷 / 06期

关键词：

D O I：

10.1103/PhysRevD.72.064008

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We consider a six-dimensional braneworld model and we study the cosmological evolution of a (4+1) brane-universe. Introducing matter on the brane we show that the scale factor of the physical three-dimensional brane-universe is related to the scale factor of the fourth dimension on the brane, and the suppression of the extra dimension compared to the three dimensions requires the presence of dark energy.

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页数：9

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