Name: Yasutaka Koga
Position: Research and Teaching Associate
Affiliation: Nihon University
Specialty: General relativity, Black hole, Photon sphere
From: Tokyo, Japan
Contact: y.koga.tj (and the domain of gmail)
Research interest: General relativity, Black hole, Photon sphere, Accretion problem, Geometry of spacetime, Primordial black hole, Cosmology
Academic positions
Postdoc at QG lab., Nagoya university (Apr. 2021- Mar. 2024)
Research Assistant Professor at YITP, Kyoto university (Apr. 2024- Mar. 2025)
Project Assistant Professor at Osaka Institute of Technology (Apr. 2025- Mar. 2026)
Research and Teaching Associate (Apr. 2026- )
Education
Ph. D., Physics: Rikkyo university (Apr. 2018 - Mar. 2021, Supervisor: Prof. Tomohiro Harada)
Master, Physics: Rikkyo university (Apr. 2014 - Mar. 2016)