Current Position

Assistant Professor, Department of Physics, Faculty of Science, University of Tokyo (April, 2018-)

Research Interests

  • Role of strong gravitation in cosmic evolutions
  • Energy release mechanisms from accreting objects (black holes, neutron stars, white dwarfs, etc.)
  • Energetic phenomena in the vicinity of supermassive black holes in active galactic nuclei
  • Strong magnetic field
  • X-ray spectroscopy and polarimetry (physics of photoionization/Comptonization, data analysis methodology)

Software Projects


  • ANL Next (modular analysis framework)
  • Compton Soft (Simulation and data analysis suite for X-/gamma-ray detectors)
  • RubyROOT (Ruby interface to CERN/ROOT)
  • MONACO (Monte-Carlo radiative transfer code)


  • 1996 April-1999 March: Musashi Junior High School (private)
  • 1999 April-2002 March: Musashi High School (private)
  • 2002 April-2004 March: Undergraduate, Arts and Sciences, University of Tokyo
  • 2004 April-2006 March: Undergraduate, Physics, University of Tokyo
  • 2006 April-2008 March: Graduate school, Master course, Physics, University of Tokyo
  • 2008 April-2011 March: Graduate school, Doctoral course, Physics, University of Tokyo
  • Ph.D., University of Tokyo, March, 2011, supervised by Prof. Tadayuki Takahashi

Previous Positions

  • 2008 April-2011 March: Japan Society of the Promotion of Science (JSPS) DC1 Fellow (Ph.D. student, University of Tokyo)
  • 2011 April-2014 March: ASTRO-H Project Researcher, Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA)
  • 2014 April-2015 November: Research Scientist (post doctoral fellow), Department of Space Astronomy and Astrophysics, Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA)
  • 2015 December-2017 November: Physical Science Research Associate, Kavli Institute for Particle Astrophysics and Cosmology (KIPAC), Stanford University
  • 2017 December-2018 March: Special Post-doctoral Researcher, RIKEN

Publication list

publication list (PDF)

Bamba’s Group