High accuracy simulations of Kerr tails: coordinate dependence and higher multipoles

被引：34

作者：

Tiglio, Manuel ^{[1
,2
]}

Kidder, Lawrence E. ^{[3
]}

Teukolsky, Saul A. ^{[3
]}

机构：

[1] Univ Maryland, Dept Phys, College Pk, MD 20742 USA

[2] Univ Maryland, Ctr Sci Computat & Math Modeling, College Pk, MD 20742 USA

[3] Cornell Univ, Ctr Radiophys & Space Res, Ithaca, NY 14853 USA

来源：

CLASSICAL AND QUANTUM GRAVITY | 2008年 / 25卷 / 10期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1088/0264-9381/25/10/105022

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We investigate the late-time behavior of a scalar field on a fixed Kerr background using a 2 + 1 dimensional pseudo-spectral evolution code. We compare evolutions of pure axisymmetric multipoles in both Kerr-Schild and Boyer-Lindquist coordinates. We find that the late-time power-law decay rate depends upon the slicing of the background, confirming previous theoretical predictions for those decay rates. The accuracy of the numerical evolutions is sufficient to decide unambiguously between competing claims in the literature.

引用

页数：13

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