论文标题
太阳风等离子体的折射率的LISA重力波信号的背景
Background for gravitational wave signal at LISA from refractive index of solar wind plasma
论文作者
论文摘要
有一个很大的迹象表明，为了应对L3任务概念的ESA呼吁而引入的空间引力天线，特别是在2017年引入的LISA概念，将对强烈的背景信号敏感，从而干扰强烈的引力波的信号。错误的信号是由于太阳风的电子数密度的变化引起的，导致流经行星际空间的血浆折射率变化。作为对策，提出了两种解决方案。第一个解决方案是将足够的太阳能探测器部署到丽莎任务中，以允许对太阳风背景的可靠知识。第二个解决方案是为LISA干涉仪配备具有独特波长的第二激光束，以从干涉数据中取消背景太阳风信号。
A strong indication is presented that the space-based gravitational antennas, in particular the LISA concept introduced in 2017 in response to the ESA call for L3 mission concepts, are going to be sensitive to a strong background signal interfering with the prospected signal of gravitational waves. The false signal is due to variations in the electron number density of the solar wind, causing variations in the refractive index of plasma flowing through interplanetary space. As countermeasures, two solutions are proposed. The first solution is to deploy enough solar wind detectors to the LISA mission to allow for reliable knowledge of the solar wind background. The second solution is to equip the LISA interferometer with a second laser beam with a distinct wavelength to allow cancelling of the background solar wind signal from the interferometric data.
