论文标题
通过替代性Lisa-Taiji网络从宇宙字符串中探测重力波背景
Probing the gravitational wave background from cosmic strings with Alternative LISA-TAIJI network
论文作者
论文摘要
作为目前所有引力波检测器的检测靶标之一，随机重力波背景（SGWB）为我们提供了一种理解宇宙演变的重要方法。在本文中，我们探讨了通过单个空间探测器（例如〜lisa，taiji）和关节空间探测器（Lisa-taiji）（Lisa-Taiji）（lisa-taiji）来检测循环产生的SGWB的可行性。对于关节探测器，我们选择Taiji（例如〜Taijim，Taijip，Taijic）的三种不同配置来形成Lisa-Taiji网络。我们研究了它们以检测SGWB的性能。尽管比较了SGWB能量密度谱的单个空间检测器和关节检测器的幂律灵敏度（PLS）曲线。我们发现Lisa-Taijic具有从宇宙弦乐环检测SGWB的最佳灵敏度，并且有望进一步限制宇宙刺激的张力$gμ= o（10^{ - 17}）$。
As one of the detection targets of all gravitational wave detectors at present, stochastic gravitational wave background (SGWB) provides us an important way to understand the evolution of our universe. In this paper, we explore the feasibility of detecting the SGWB generated by the loops, which arose throughout the cosmological evolution of the cosmic string network, by individual space detectors (e.g.~LISA, TAIJI) and joint space detectors (LISA-TAIJI). For joint detectors, we choose three different configurations of TAIJI (e.g.~TAIJIm, TAIJIp, TAIJIc) to form the LISA-TAIJI networks. And we investigate the performance of them to detect the SGWB. Though comparing the power-law sensitivity (PLS) curves of individual space detectors and joint detectors with energy density spectrum of SGWB. We find that LISA-TAIJIc has the best sensitivity for detecting the SGWB from cosmic string loops and is promising to further constrains the tension of cosmic sting $Gμ=O(10^{-17})$.
