Trumpet solution from spherical gravitational collapse with puncture gauges

被引：33

作者：

Thierfelder, Marcus ^{[1
]}

Bernuzzi, Sebastiano ^{[1
]}

Hilditch, David ^{[1
]}

Bruegmann, Bernd ^{[1
]}

Rezzolla, Luciano ^{[2
]}

机构：

[1] Univ Jena, Inst Theoret Phys, D-07743 Jena, Germany

[2] Albert Einstein Inst, Max Planck Inst Gravitat Phys, Golm, Germany

来源：

PHYSICAL REVIEW D | 2011年 / 83卷 / 06期

关键词：

BLACK-HOLE; SCHEMES;

D O I：

10.1103/PhysRevD.83.064022

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We investigate the stationary end state obtained by evolving a collapsing spherical star with the gauges routinely adopted to study puncture black holes. We compare the end state of the collapse with the trumpet solution found in the evolution of a single wormhole slice and show that the two solutions closely agree. We demonstrate that the agreement is caused by the use of the Gamma-driver shift condition, which allows the matter to fall inwards into a region of spacetime that is not resolved by the numerical grid, and which simultaneously finds the stationary coordinates of the trumpet outside the matter.

引用

页数：8

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