标题： 远红外背景与CMB透镜效应的相关性 显示英文标题

标题： The Far-Infrared Background Correlation with CMB Lensing

摘要： 大尺度结构通过引力透镜效应扭曲宇宙微波背景（CMB）各向异性。 同样的大尺度结构，由尘埃包裹的恒星形成星系追踪，也会在远红外背景（FIRB）中诱导出各向异性。 我们利用FIRB的晕模型研究由此产生的FIRB和CMB之间的相互依赖性。 特别是，我们计算了透镜势与FIRB之间的交叉相关性。 透镜势可以从CMB温度和/或偏振图中进行二次估计。 我们表明，使用Planck探测器的数据可以高信噪比地测量这种交叉相关性。 我们讨论了如何利用这种测量来理解FIRB源的性质及其与暗物质分布的关系。 显示英文摘要

摘要： The intervening large--scale structure distorts cosmic microwave background (CMB) anisotropies via gravitational lensing. The same large--scale structure, traced by dusty star--forming galaxies, also induces anisotropies in the far--infrared background (FIRB). We investigate the resulting inter--dependence of the FIRB and CMB with a halo model for the FIRB. In particular, we calculate the cross--correlation between the lensing potential and the FIRB. The lensing potential can be quadratically estimated from CMB temperature and/or polarization maps. We show that the cross--correlation can be measured with high signal--to--noise with data from the Planck Surveyor. We discuss how such a measurement can be used to understand the nature of FIRB sources and their relation to the distribution of dark matter.