Three-dimensional evolution of differentially rotating magnetized neutron stars

被引：59

作者：

Kiuchi, Kenta ^{[1
]}

Kyutoku, Koutarou ^{[1
,2
]}

Shibata, Masaru ^{[1
]}

机构：

[1] Kyoto Univ, Yukawa Inst Theoret Phys, Kyoto 6068502, Japan

[2] KEK, Ctr Theory, Inst Particles & Nucl Studies, Tsukuba, Ibaraki 3050801, Japan

来源：

PHYSICAL REVIEW D | 2012年 / 86卷 / 06期

关键词：

ADAPTIVE MESH REFINEMENT; GRAVITATIONAL-WAVES; FIELDS; SIMULATIONS; TRANSPORT; MERGERS; SCHEME; FLOWS;

D O I：

10.1103/PhysRevD.86.064008

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We construct a new three-dimensional general relativistic magnetohydrodynamics code, in which a fixed mesh refinement technique is implemented. To ensure the divergence-free condition as well as the magnetic flux conservation, we employ the method by Balsara [J. Comp. Physiol. 174, 614 (2001); J. Comp. Phys. 228, 5040 (2009)]. Using this new code, we evolve differentially rotating magnetized neutron stars, and find that a magnetically driven outflow is launched from the star exhibiting a kink instability. The matter ejection rate and Poynting flux are still consistent with our previous finding [M. Shibata, Y. Suwa, K. Kiuchi, and K. Ioka, Astrophys. J. 734, L36 (2011)] obtained in axisymmetric simulations.

引用

页数：18

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