Evolutions of nearly maximally spinning black hole binaries using the moving puncture approach

被引：15

作者：

Zlochower, Yosef ^{[1
]}

Healy, James ^{[1
]}

Lousto, Carlos O. ^{[1
]}

Ruchlin, Ian ^{[2
]}

机构：

[1] Rochester Inst Technol, Sch Math Sci, Ctr Computat Relat & Gravitat, 85 Lomb Mem Dr, Rochester, NY 14623 USA

[2] West Virginia Univ, Dept Math, Morgantown, WV 26506 USA

来源：

PHYSICAL REVIEW D | 2017年 / 96卷 / 04期

基金：

美国国家科学基金会;

关键词：

NUMERICAL RELATIVITY;

D O I：

10.1103/PhysRevD.96.044002

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We demonstrate that numerical relativity codes based on the "moving punctures" formalism are capable of evolving nearly maximally spinning black hole binaries. We compare a new evolution of an equal-mass, aligned-spin binary with dimensionless spin. chi = 0.99 using puncture-based data with recent simulations of the SXS Collaboration. We find that the overlap of our new waveform with the published results of the SXS Collaboration is larger than 0.999. To generate our new waveform, we use the recently introduced HISPID puncture data, the CCZ4 evolution system, and a modified lapse condition that helps keep the horizon radii reasonably large.

引用

页数：8

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