Date
July 27 (Wed) at 13:30 - 15:00, 2022 (JST)
Speaker
  • Dr. Yuko Urakawa (Associate Professor, High Energy Accelerator Research Organization (KEK))
Venue
  • Hybrid Format (Common Room 246-248 and Zoom)
Language
English
Host
Ryo Namba

In this talk, using the generalized deltaN formalism, which dramatically facilitates a computation of the primordial density perturbation and the primordial GWs (PGWs), we address a violation of the Cosmological principle, namely a violation of the global isotropy in the Universe. It’s turned out that measuring the PGWs provides a powerful tool to explore a violation of the global isotropy. If time permits, I will also discuss some prospects on LiteBIRD.

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