Wormholes and trumpets: Schwarzschild spacetime for the moving-puncture generation

Wormholes and trumpets: Schwarzschild spacetime for the moving-puncture generation
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虫洞和喇叭:移动穿刺一代的史瓦西时空

DOI:
10.1103/physrevd.78.064020
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发表时间:
2008
期刊:
影响因子:
5
通讯作者:
Niall O'Murchadha
Niall O'Murchadha
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
M. Hannam;S. Husa;F. Ohme;B. Bruegmann;Niall O'Murchadha

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我们扩展了之前对史瓦西的数值移动穿刺模拟的分析 时空。我们提出了解析平稳 1 × 对数叶状结构族的推导 史瓦西解,并概述了到各向同性坐标的变换。我们详细讨论 标准史瓦西穿刺数据的数值演变,以及新的与时间无关的 1 × 对数数据。 最后,我们证明移动穿刺方法可以定位适当的静止几何形状 当数字代码在 1 × 对数切片的两种形式之间交替时,以稳健的方式进行 模拟。
We expand upon our previous analysis of numerical moving-puncture simulations of the Schwarzschild spacetime. We present a derivation of the family of analytic stationary 1 þ log foliations of the Schwarzschild solution, and outline a transformation to isotropic coordinates. We discuss in detail the numerical evolution of standard Schwarzschild puncture data, and the new time-independent 1 þ log data. Finally, we demonstrate that the moving-puncture method can locate the appropriate stationary geometry in a robust manner when a numerical code alternates between two forms of 1 þ log slicing during a simulation.
DOI: 10.1103/physrevlett.98.091101
发表时间: 2006-10
影响因子: 8.6
作者:
José A. González;U. Sperhake;B. Brügmann;M. Hannam;S. Husa
通讯作者: José A. González;U. Sperhake;B. Brügmann;M. Hannam;S. Husa
DOI: 10.1103/physrevd.77.024027
发表时间: 2006-10
期刊: Physical Review D
影响因子: 5
作者:
B. Bruegmann;José A. González;M. Hannam;S. Husa;U. Sperhake;W. Tichy
通讯作者: B. Bruegmann;José A. González;M. Hannam;S. Husa;U. Sperhake;W. Tichy