Localization of gravity in brane world cosmologies

被引：7

作者：

Singh, P ^{[1
]}

Dadhich, N ^{[1
]}

机构：

[1] Inter Univ Ctr Astron & Astrophys, Pune 411007, Maharashtra, India

来源：

MODERN PHYSICS LETTERS A | 2003年 / 18卷 / 14期

关键词：

brane cosmology; localization of gravity; FRW branes;

D O I：

10.1142/S0217732303009757

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The most remarkable and interesting feature of brane world scenario is the use of bulk's curvature to localize gravity on the brane, albeit with fine tuning of the brane and bulk parameters. For FRW expanding universe on the brane, it is a moving hypersurface in Schwarzschild anti de Sitter bulk spacetime. We show that zero mass gravitons have bound state on the brane for suitable values of brane and bulk parameters. There occur various cases giving rise to different cosmological models, in particular we discuss a model with positive cosmological constant on the brane.

引用

页码：983 / 992

页数：10

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