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Cosmology from Cosmic Microwave Background Polarization
Speaker Dr. Toshiya Namikawa, National Taiwan University
Date 14 February 2018 (Wednesday)
Time 11:00 to 12:30
Venue Room 2304 (Lifts 17-18), HKUST

Precise cosmological experiments have established the fundamental framework of the Universe. At the same time, the observations have found many mysteries in cosmology (e.g. dark energy, dark matter). My ultimate goal is to uncover physical laws that govern the origin and evolution of the Universe. I have been addressing the fundamental questions by analyzing real data, developing methods for data analysis, and proposing new cosmological probes to further tackle the questions.

My plan in at HKUST is to deepen our understanding of the universe through measurements of cosmic microwave background (CMB) polarization. To realize this, I will work with people in ongoing/future CMB experiments such as BICEP/Keck Array, LiteBIRD and CMB-S4 to extract implications for theory from data. I will also investigate what we can probe by combining CMB and other data such as galaxy clustering and weak gravitational lensing.


Dr. Toshiya Namikawa currently is the Assistant Researcher (termed Assistant Professor) at National Taiwan University, Taiwan. He received his Ph.D. in Physics from the University of Tokyo in 2013 and did postdoctoral work at the Yukawa Institute for Theoretical Physics, Kyoto University for one and half year. In 2014, with a postdoctoral fellowship from Japanese Society for Promotion of Science, he moved to Stanford University and started to work on BICEP2/Keck Array analysis in Prof. Chao-Lin Kuo group. In 2018, he is moving to Taiwan and will continue to work on BICEP2/Keck, LiteBIRD and possibly AliCPT.