The Huygens principle and cosmological gravitational waves in the Regge-Wheeler gauge

被引：24

作者：

Malec, E ^{[1
]}

Wylezek, G ^{[1
]}

机构：

[1] Jagiellonian Univ, Inst Phys, PL-30059 Krakow, Poland

来源：

CLASSICAL AND QUANTUM GRAVITY | 2005年 / 22卷 / 17期

关键词：

D O I：

10.1088/0264-9381/22/17/013

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We study the propagation of axial gravitational waves in Friedmann universes. The evolution equation is obtained in the Regge-Wheeler gauge. The gravitational waves obey the Huygens principle in the radiation-dominated era, but in the matter-dominated universe their propagation depends on their wavelengths, with the scale fixed essentially by the Hubble radius. Short waves practically satisfy the Huygens principle while long waves can backscatter off the curvature of a spacetime.

引用

页码：3549 / 3553

页数：5

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