Welcome to My Home Page
Webmaster：Ippei Obata
Affiliation：Kavli IPMU, University of Tokyo
Research Interest：Parity-violation in cosmology
Research Activities：Publication List
E-mail：ippei.obata_at_ipmu.jp（_at_→@）
News
11 June
Invited talk at Copernicus Webinar
Title:"Cosmic birefringence and its implications" (Talk Slides)
4 June
Submitted a collaboration paper:
T. Ghigna et al. (LiteBIRD Collaboration),
"The LiteBIRD mission to explore cosmic inflation" (arXiv)
30 May
Paper "Parity-violating scalar trispectrum from a rolling axion during axion" is published in JCAP: Link
29 May
Invited talk at Focus Week Program "Parity violation through CMB observations", IFPU, Trieste (HP)
Title:"Parity-violating signals from the effective field theory of Standard Model" (Talk Slides)
24 May
Submitted a paper:
F. Naokawa, T. Namikawa, K. Murai, I. Obata, K. Kamada,
"π phase ambiguity of cosmic birefringence" (arXiv)