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J-GLOBAL ID：200901073391602560   Update date: Aug. 20, 2024

KOIZUMI Hiroyasu

コイズミ ヒロヤス | KOIZUMI Hiroyasu
Affiliation and department：
University of Tsukuba Center for Computational Sciences

About University of Tsukuba Center for Computational Sciences


Job title： Associate Professor
Research keywords  (1)： 銅酸化物超伝導、量子コンピューター
Research theme for competitive and other funds  (1)：
  • 2016 - 2016 Theory of high Theory of high temperature superconductivity and strongly correlated system
Papers (133)：
  • Koizumi, Hiroyasu. Reversible superconducting-normal phase transition in a magnetic field: The energy-momentum balance including the velocity field of the Berry connection from many-body wave functions. PHYSICA SCRIPTA. 2023. 99. 1. 015952
  • Koizumi, Hiroyasu. Neglected U(1) phase in the Schrodinger representation of quantum mechanics and particle number conserving formalisms for superconductivity. JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL. 2023. 56. 45
  • Koizumi, Hiroyasu. Supercurrent and electromotive force generations by the Berry connection from many-body wave functions. JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL. 2023. 56. 18. 185301
  • Koizumi, Hiroyasu. Schrodinger representation of quantum mechanics, Berry connection, and superconductivity. PHYSICS LETTERS A. 2022. 450. 128367
  • Koizumi, Hiroyasu, Ishikawa, Alto. Spin-vortex-induced Loop Current Qubits: Gate Control and Readout Using External Current Feeding. Journal of Superconductivity and Novel Magnetism. 2022. 35. 5. 1337-1352
ｍore...
Patents (4)：
  • 量子コンピューター
  • Quantum Computer
  • 量子コンピューター
  • 量子コンピューター
Books (4)：
  • 応用物理
    2014
  • The geometric phase in quantum systems
    Springer-Verlag 2003
  • 新しい配位子場の科学
    講談社 1998
  • Microcluster Physics
    Springer-Verlag 1998
Lectures and oral presentations  (85)：
  • スピン渦誘起ループ電流量子ビットによるトフォリゲートの 実装に関する理論研究
    (日本物理学会 2024 年春季大会)
  • ジョセフソン接合を使った量子ビットにおける Quasiparticle poisoning
    (日本物理学会 2024年春季大会)
  • 多体波動関数から生じるベリー接続に基づく超伝導理論: ネルンスト効果と磁場中での超伝導ー常伝導相転移について
    (日本物理学会第 78 回年次大会)
  • 銅酸化物超伝導体薄膜の量子ビットへの応用に関する理論
    (日本物理学会第78回年次大会)
  • Supercurrent and Electromotive Force Generations by the Berry Connection from Many-Body Wave Functions
    (The 25th International Conference on the Jahn-Teller Effect)
ｍore...
Professional career (3)：
  • Ph.D (Northwestern University)
  • 理学修士 (東京大学)
  • 教養学士 (東京大学)
Committee career (3)：
  • 2012/08 - 現在 International symposium onf Jahn-Teller effect steering comittee
  • 2012/08 - 現在 International symposium onf Jahn-Teller effect steering comittee
  • 2010/08 - 2013/03 第21回ヤーン•テラー効果に関する国際会議組織委員会 組織委員長
Association Membership(s) (3)：
American Chemical Society ,  THE PHYSICAL SOCIETY OF JAPAN ,  日本物理学会
※ Researcher’s information displayed in J-GLOBAL is based on the information registered in researchmap. For details, see here.

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