Evolution of gravitational waves in Randall-Sundrum cosmology

被引：0

作者：

Easther, R

Langlois, D

Maartens, R

Wands, D

机构：

[1] Columbia Univ, ISCAP, New York, NY 10027 USA

[2] CNRS, Inst Astrophys Paris, F-75014 Paris, France

[3] Univ Portsmouth, Inst Cosmol & Gravitat, Portsmouth PO1 2EG, Hants, England

[4] Univ Calif Santa Barbara, Kavli Inst Theoret Phys, Santa Barbara, CA 93106 USA

来源：

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS | 2003年 / 10期

关键词：

cosmological perturbation theory; cosmology with extra dimensions; gravity waves;

D O I：

暂无

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We investigate the evolution of gravitational wave perturbations about a brane cosmology embedded in a five-dimensional anti-de Sitter bulk. During slow-roll inflation in a Randall-Sundrum brane-world, the zero mode of the five-dimensional graviton is generated, while the massive modes remain in their vacuum state. When the zero mode re-enters the Hubble radius during radiation domination, massive modes are generated. We show that modes decouple in the low-energy/near-brane limit and develop perturbative techniques to calculate the mode-mixing at finite energy.

引用

页数：13

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