论文标题
使用Stokes参数估计超新星重力波的圆极化特征的可检测性
Estimate of the Detectability of the Circular Polarisation Signature of Supernova Gravitational Waves Using the Stokes Parameters
论文作者
论文摘要
已经提出了核心塌陷超新星重力波的圆形极化，以研究超新星核心内部的旋转和物理特征。但是，尚不清楚引力波的圆极化如何可检测到。我们开发了一种称为Stokes圆极化算法的算法，用于计算与爆发搜索管道相干波爆的Stokes参数。使用波形SFHX和算法，我们估计了在三个不同的距离2、5和10 kpc的源源的圆极化特征（Stokes参数的V模式）的可检测性，用于由高级Ligo，Advanced Virgo，Advanced Virgo和Kagra组成的引力检测器网络。使用贝叶斯因子，我们发现，对于2 kpc和5 kpc，大多数来源（分别为99.9％和58.2％）将可以检测到其V模式，而对于10 kpc，无法检测到显着的V模式。另外，V模式签名的重要性与引力波相对于网络的两个极性的可恢复性一致。
The circular polarisation of gravitational waves from core collapse supernovae has been proposed as a probe to investigate the rotation and physical features inside the core of the supernovae. However, it is still unclear as to how detectable the circular polarisation of gravitational waves will be. We developed an algorithm referred to as the Stokes Circular Polarisation algorithm for the computation of the Stokes parameters that works with the burst search pipeline coherent WaveBurst. Employing the waveform SFHx and the algorithm, we estimate the detectability of the circular polarisation signatures (V mode of the Stokes parameters) for sources across the sky at three different distances 2, 5, and 10 kpc, for a network of gravitational wave detectors consisted of advanced LIGO, advanced VIRGO and KAGRA. Using the Bayes factor, we found that for 2 kpc and 5 kpc, the majority of the sources (99.9% and 58.2% respectively) will have their V mode detectable, while for 10 kpc, no significant V mode is detectable. In addition, the significance of the V mode signature are consistent with the recoverability of the two polarisations of gravitational waves with respect to the network.
