Generic gravitational-wave signals from the collapse of rotating stellar cores.
Generic gravitational-wave signals from the collapse of rotating stellar cores.
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来自旋转恒星核心塌缩的通用引力波信号
DOI：
10.1103/physrevlett.98.251101
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发表时间：
2007
影响因子：
8.6
通讯作者：
E. Müller
中科院分区：
文献类型：
--
作者：
H. Dimmelmeier;C. Ott;H.-Th. Janka;A. Marek;E. Müller
利用微物理状态方程和去轻子化近似，对恒星核坍缩成质子中子星星进行了广义相对论模拟。我们表明，对于广泛的旋转速率和配置文件的引力波（GW）爆发信号的核心反弹是通用的，被称为I型。在我们的系统研究中，使用GR和牛顿引力，我们确定和量化的旋转，状态方程和去质子化对这一结果的影响。这种通用类型的信号模板将有助于在干涉型和谐振型的当前和未来GW检测器中进行更有效的搜索。
We perform general relativistic (GR) simulations of stellar core collapse to a protoneutron star, using a microphysical equation of state (EOS) and an approximation of deleptonization. We show that for a wide range of rotation rates and profiles the gravitational-wave (GW) burst signals from the core bounce are generic, known as type I. In our systematic study, using both GR and Newtonian gravity, we identify and quantify the influence of rotation, the EOS, and deleptonization on this result. Such a generic type of signal templates will facilitate a more efficient search in current and future GW detectors of both interferometric and resonant type.