Rchr
J-GLOBAL ID:202201014950407044   Update date: Nov. 03, 2024

Shu Kenji

シュウ ケンジ | Shu Kenji
Affiliation and department:
Job title: Research Associate
Research theme for competitive and other funds  (4):
  • 2024 - 2027 ポジトロニウムのLyman系列遷移周波数精密測定による基礎物理学の検証
  • 2022 - 2024 純レプトン粒子反粒子対束縛系の精密分光による束縛系量子電磁力学の検証
  • 2021 - 2023 Development of a pulsed laser with rapid frequency shift in ultraviolet region for realizing laser cooling of positronium
  • 2017 - 2020 Realization of Bose-Einstein condensate of positronium
Papers (10):
  • K. Shu, Y. Tajima, R. Uozumi, N. Miyamoto, S. Shiraishi, T. Kobayashi, A. Ishida, K. Yamada, R. W. Gladen, T. Namba, et al. Cooling positronium to ultralow velocities with a chirped laser pulse train. Nature. 2024. 633. 8031. 793-797
  • Kenji Shu, Naoki Miyamoto, Yuto Motohashi, Ryosuke Uozumi, Yohei Tajima, Kosuke Yoshioka. Development of a laser for chirp cooling of positronium to near the recoil limit using a chirped pulse-train generator. Physical Review A. 2024. 109. 4
  • Kenji Shu, Kyohei Yamada, Kaori Hashidate, Akira Ishida, Toshio Namba, Shoji Asai, Makoto Kuwata-Gonokami, Yohei Tajima, Eunmi Chae, Kosuke Yoshioka, et al. Development of a porous silica cavity for laser excitation of confined positronium. JJAP Conference Proceedings. 2023. 9. 011202-011202
  • Kenji Shu, Akira Ishida, Toshio Namba, Shoji Asai, Nagayasu Oshima, Brian E. O'Rourke, Kenji Ito. Observation of orthopositronium thermalization in silica aerogel at cryogenic temperatures. PHYSICAL REVIEW A. 2021. 104. 5
  • K. Yamada, Y. Tajima, T. Murayoshi, X. Fan, A. Ishida, T. Namba, S. Asai, M. Kuwata-Gonokami, E. Chae, K. Shu, et al. Theoretical Analysis and Experimental Demonstration of a Chirped Pulse-Train Generator and its Potential for Efficient Cooling of Positronium. PHYSICAL REVIEW APPLIED. 2021. 16. 1
more...
MISC (35):
  • 周健治, 白石蒼馬, 魚住亮介, 吉岡孝高. Simulation of laser cooling of positronium atoms based on Lindblad master equation. 日本物理学会講演概要集(CD-ROM). 2024. 79. 1
  • K. Shu, Y. Tajima, R. Uozumi, N. Miyamoto, S. Shiraishi, T. Kobayashi, A. Ishida, K. Yamada, R. W. Gladen, T. Namba, et al. Laser cooling of positronium. 2023
  • Kenji Shu, Naoki Miyamoto, Yuto Motohashi, Ryosuke Uozumi, Yohei Tajima, Kosuke Yoshioka. Development of an optimal laser for chirp cooling of positronium based on chirped pulse-train generator. 2023
  • 石田明, 難波俊雄, 浅井祥仁, 田島陽平, 小林拓豊, 魚住亮介, 周健治, 吉岡孝高, 大島永康, O’ROURKE Brian E., et al. Development of nanomaterials for positronium formation aiming at Bose-Einstein condensation. アイソトープ・放射線研究発表会(Web). 2023. 60th
  • 魚住亮介, 周健治, 宮本尚樹, 小林拓豊, 白石蒼馬, 田島陽平, 吉岡孝高. Development of Doppler spectroscopy for cold positronium. 日本物理学会講演概要集(CD-ROM). 2023. 78. 2
more...
Lectures and oral presentations  (4):
  • One-dimensional chirp cooling of positronium
    (PSAS'2024 - International Conference on Precision Physics of Simple Atomic Systems 2024)
  • Demonstration of one-dimensional chirp cooling of positronium
    (55th Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics 2024)
  • Experimental progress towards measuring antimatter gravity using positronium
    (23rd International Conference on General Relativity and Gravity 2022)
  • Enhanced decay and line broadening of 2P ortho-positronium inside silica pore
    (12.5th International Workshop on Positron and Positronium Chemistry 2021)
Education (4):
  • 2015 - 2020 The University of Tokyo Graduate School of Science Department of Physics
  • 2013 - 2015 The University of Tokyo Faculty of Science Department of Physics
  • 2011 - 2013 The University of Tokyo College of Arts and Sciences
  • 2008 - 2011 埼玉県立浦和高等学校
Professional career (1):
  • Doctor of Philosophy (The University of Tokyo)
Work history (2):
  • 2020/04 - 現在 The University of Tokyo The Graduate School of Engineering Photon Science Center
  • 2017/04 - 2020/03 Japan Society for the Promotion of Science
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