Yuichi Otsuka

オオツカユウイチ | Yuichi Otsuka

Affiliation and department：

Research field (3)： Mathematical physics and basic theory , Magnetism, superconductivity, and strongly correlated systems , Semiconductors, optical and atomic physics

Research keywords (3)： Electronic properties in general Statistical physics and thermodynamics Magnetic properties and materials , 熱力学磁性 , 電子物性一般統計力学

Research theme for competitive and other funds (5)：

2021 - 2024 Numerical study of the bulk-edge correspondence in strongly correlated higher-order topological insulators
2018 - 2023 格子自由度と結合した2次元強相関ディラック電子系における絶縁相の探索
2014 - 2019 Quantum Monte Carlo study of Mott transition and magnetic properties in Dirac electrons
2002 - 2004 スピンクロスオーバー錯体における光誘起相転移の理論的研究
2002 - 2004 Theoritical studyof photo-induced phase transitions in spin-crossover complexes

Papers (32)：

Hiroshi Ueda, Yuichi Otsuka, Seiji Yunoki. Quantum-inspired Search Method for Low-energy States of Classical Ising Hamiltonians. Journal of the Physical Society of Japan. 2022. 91. 4. 044005 [11 pages]
Kazuhiro Seki, Yuichi Otsuka, Seiji Yunoki. Gutzwiller wave function on a quantum computer using a discrete Hubbard-Stratonovich transformation. Physical Review B. 2022. 105. 15
Yuichi Otsuka, Kazuhiro Seki, S, ro Sorella, Seiji Yunoki. QMC study of the chiral Heisenberg Gross-Neveu universality class. Journal of Physics: Conference Series. 2022. 2207. 1. 012030-012030
Yuichi Otsuka, Tsuneya Yoshida, Koji Kudo, Seiji Yunoki, Yasuhiro Hatsugai. Higher-order topological Mott insulator on the pyrochlore lattice. SCIENTIFIC REPORTS. 2021. 11. 1
Yuichi Otsuka, Kazuhiro Seki, S, ro Sorella, Seiji Yunoki. Dirac electrons in the square-lattice Hubbard model with a d -wave pairing field: The chiral Heisenberg universality class revisited. Physical Review B. 2020. 102. 23

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MISC (13)：

Morita Y., Otsuka Y., Hatsugai Y. Quasiparticle Structure in the vicinity of the Heisenberg model : one and higher dimensions. Meeting abstracts of the Physical Society of Japan. 2003. 58. 2. 260-260
Y Otsuka, Y Hatsugai. Fermi surface of the periodic Anderson model detected by momentum-resolved charge compressibility. PHYSICA B-CONDENSED MATTER. 2003. 329. 580-581
Y Otsuka, Y Morita, Y Hatsugai. Anisotropy on the Fermi surface of the two-dimensional Hubbard model. PHYSICAL REVIEW B. 2002. 66. 7. 073109
Y Otsuka, Y Morita, Y Hatsugai. Collapse of the charge gap in random Mott insulators (vol B 58, pg 15314, 1998). PHYSICAL REVIEW B. 2002. 65. 24
Otsuka Y., Hatsugai Y. 25pXY-6 Momentum dependence of charge fluctuations in the periodic Anderson model. Meeting abstracts of the Physical Society of Japan. 2002. 57. 1. 265-265

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Education (4)：

- 2002 The University of Tokyo
- 2002 The University of Tokyo Graduate School, Division of Engineering Department of Applied Physics
- 1997 The University of Tokyo The Faculty of Engineering Department of Applied Physics
- 1997 The University of Tokyo Faculty of Engineering Department of Applied Physics

Professional career (1)：

博士(工学) (東京大学)

Work history (2)：

2002 - - 岡崎国立共同研究機構分子科学研究所非常勤研究員
2002 - - Okazaki National Research Institutes (Institute for Molecular Science), Research Fellow

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