Cosmological constant and gravitational theory on a D-brane

被引：11

作者：

Shiromizu, T ^{[1
]}

Koyama, K

Torii, T

机构：

[1] Tokyo Inst Technol, Dept Phys, Tokyo 1528551, Japan

[2] Waseda Univ, Adv Res Inst Sci & Engn, Tokyo 1698555, Japan

[3] Univ Tokyo, Dept Phys, Tokyo 1130033, Japan

来源：

PHYSICAL REVIEW D | 2003年 / 68卷 / 10期

关键词：

D O I：

10.1103/PhysRevD.68.103513

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In a toy model we derive the gravitational equation on a self-gravitating curved D-brane. The effective theory on the brane is drastically changed from the ordinal Einstein equation. The net cosmological constant on the brane depends on a tuning between the brane tension and the brane charges. Moreover, the nonzero matter stress tensor exists if the net cosmological constant is not zero. This fact indicates a direct connection between matter on the brane and dark energy.

引用

页数：6

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