2020年
09/29
開催
開催日時
2020/09/29（火）11:00～12:00
開催場所
オンライン (zoom)
講演者
Dr. Shi Pi ( Kavli IPMU )
言語
English
詳細ページ
お問い合わせ
概要
Our universe is fulfilled by stochastic background of gravitational waves with a large range of frequencies, which may have various astrophysical/cosmological origins in the early universe. As our universe is transparent to gravitational wave, it is a fossil recording the information of its generation and how our universe evolves. In this talk I will briefly review the stochastic background of the gravitational waves from the nonlinear coupling of the scalar and tensor perturbations, as well as their connection to the primordial black holes. I will also talk about the properties of the spectrum shape of such waves: infrared scaling and the peak width.