利用MeerKAT和DES探测原初宇宙
宇宙学与河外天体物理
2017-03-14 v2
摘要
通常认为,我们需要等到欧几里得(Euclid)、LSST和SKA等下一代巡天,才能改进普朗克(Planck)实验当前对原初非高斯性最好的限制。我们表明,利用多示踪技术,可以将SKA前驱MeerKAT和暗能量巡天(Dark Energy Survey, DES)这两个当代巡天结合,对 的测量精度达到比普朗克好三倍。
引用
@article{arxiv.1611.01322,
title = {Probing the primordial Universe with MeerKAT and DES},
author = {José Fonseca and Roy Maartens and Mário G. Santos},
journal= {arXiv preprint arXiv:1611.01322},
year = {2017}
}
备注
7 pages, 5 figures, 1 table. We now marginalise over the bias, and ensure that we exclude nonlinear scales, leading to small quantitative corrections. Version accepted by MNRAS