从21厘米断层摄影和普朗克理论看暴胀势
Inflationary Potential from 21 cm Tomography and Planck
摘要：
利用红移的21厘米线进行三维中性氢映射是一种很有前途的宇宙学探测方法。在慢滚重建的框架内，我们分析了如何结合21 cm实验数据和普朗克卫星的宇宙微波背景数据来重建暴胀势。我们认为，根据其张量分量的幅度分类的膨胀模型，并表明，21厘米的测量可以显着提高慢卷参数的约束，并确定膨胀潜力的形状。
英文摘要：
Three-dimensional neutral hydrogen mapping using the redshifted 21 cm line has recently emerged as a promising cosmological probe. Within the framework of slow-roll reconstruction, we analyze how well the inflationary potential can be reconstructed by combining data from 21 cm experiments and cosmic microwave background data from the Planck satellite. We consider inflationary models classified according to the amplitude of their tensor component, and show that 21 cm measurements can significantly improve constraints on the slow-roll parameters and determine the shape of the inflationary potential.
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