核塌缩超新星的引力波
Gravitational Waves from Core Collapse Supernovae
摘要：
我们提出了一套轴对称的核心坍缩超新星模型的引力波签名与祖先的质量在12和25太阳质量之间。这些模型的区别在于它们爆炸的事实，并包含更现实的描述所需的基本物理（特别是多频中微子输运和广义相对论）。因此，我们能够计算完整的波形（即，通过爆炸）基于非参数化的第一原理模型。如果要更精确地计算波形幅度和时间尺度，这是必不可少的。傅立叶分解表明，我们预测的引力波信号应该可以通过AdvLIGO在这里考虑的祖先范围内观察到。这些模型的基本局限性在于它们强加的轴对称性。要取得进一步进展，还需要相应的三维模型。
英文摘要：
We present the gravitational wave signatures for a suite of axisymmetric core collapse supernova models with progenitors masses between 12 and 25 solar masses. These models are distinguished by the fact they explode and contain essential physics (in particular, multi-frequency neutrino transport and general relativity) needed for a more realistic description. Thus, we are able to compute complete waveforms (i.e., through explosion) based on non-parameterized, first-principles models. This is essential if the waveform amplitudes and time scales are to be computed more precisely. Fourier decomposition shows that the gravitational wave signals we predict should be observable by AdvLIGO across the range of progenitors considered here. The fundamental limitation of these models is in their imposition of axisymmetry. Further progress will require counterpart three-dimensional models.
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