Post-Newtonian initial data with waves: progress in evolution

Post-Newtonian initial data with waves: progress in evolution
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波的后牛顿初始数据:进化的进展

DOI:
10.1088/0264-9381/27/11/114005
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发表时间:
2009
影响因子:
3.5
通讯作者:
B. Whiting
B. Whiting
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Bernard J. Kelly;W. Tichy;Y. Zlochower;M. Campanelli;B. Whiting

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在Kelly et al(2007 Phys. Rev. D 76 024008)中,我们提出了新的适用于数值相对论中穿刺演化的二元黑洞初始数据。这些数据满足2.5后牛顿秩序的约束方程,并包含一个横向无痕的“波浪”度量的贡献,违反了标准的共形平坦性假设。我们报告的进展,在不断发展这些数据与现代移动穿刺实现BSSN方程在几个数字代码。我们讨论了新度规项对垃圾辐射的影响和提取的物理辐射的连续性。
In Kelly et al (2007 Phys. Rev. D 76 024008), we presented new binary black-hole initial data adapted to puncture evolutions in numerical relativity. These data satisfy the constraint equations to 2.5 post-Newtonian order, and contain a transverse-traceless ‘wavy’ metric contribution, violating the standard assumption of conformal flatness. We report on progress in evolving these data with a modern moving puncture implementation of the BSSN equations in several numerical codes. We discuss the effect of the new metric terms on junk radiation and continuity of physical radiation extracted.
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