Onishi Hiroaki

オオニシヒロアキ | Onishi Hiroaki

Affiliation and department：
Homepage URL (1)： http://www11.plala.or.jp/sces/onishi/index.html

Research field (1)： Magnetism, superconductivity, and strongly correlated systems

Research keywords (6)：物性理論 , spin nematics , numerical calculation , magnetism , strongly correlated electron system , quantum spin system

Research theme for competitive and other funds (8)：

2019 - 2022 スピン多極子由来のマグノンクラスターによるスピン伝導・熱伝導
2016 - 2019 低次元磁性体のマグノン対が織り成すスピン伝導・熱伝導現象
2010 - 2013 スピン軌道相互作用のある強相関電子系の非平衡ダイナミクス
2010 - 2011 遷移金属酸化物の電子相制御
2011 - Spin-orbital state induced by strong spin-orbit coupling (International Conference on Strongly Correlated Electron Systems 2011, Cambridge, UK, 8/29-9/3/2011)

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Papers (43)：

Shojiro Kimura, Hiroaki Onishi, Kouichi Okunishi, Mitsuru Akaki, Yasuo Narumi, Masayuki Hagiwara, Koichi Kindo, Hikomitsu Kikuchi. Magnetic Excitation in the S=1/2 Ising-like Antiferromagnetic Chain CsCoCl3 in Longitudinal Magnetic Fields Studied by High-field ESR Measurements. J. Phys. Soc. Jpn. 2023. 92. 9. 094701-1-094701-9
Hiroaki Onishi, Seiji Miyashita. Low Temperature Behavior of Itinerant Ferromagnet Realized in Extended Nagaoka Mechanism. JPS Conf. Proc. 2023. 38. 011157-1-011157-6
Hiroaki Onishi, Seiji Miyashita. Finite-temperature properties of extended Nagaoka ferromagnetism: Ordering processes and precursor of a quantum phase transition between itinerant ferromagnetic and Mott antiferromagnetic states. Phys. Rev. B. 2022. 106. 13. 134436-1-134436-13
Hiroaki Onishi. Excitation and transport of bound magnon clusters in frustrated ferromagnetic chain. J. Phys.: Conf. Ser. 2022. 2207. 012045-012045
Shojiro Kimura, Hiroaki Onishi, Akira Okutani, Mitsuru Akaki, Yasuo Narumi, Masayuki Hagiwara, Kouichi Okunishi, Koichi Kindo, Zhangzhen He, Tomoyasu Taniyama, et al. Optical selection rules of the magnetic excitation in the S=1/2 one-dimensional Ising-like antiferromagnet BaCo2V2O8. Phys. Rev. B. 2022. 105. 1. 014417-014417

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MISC (6)：

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Lectures and oral presentations (57)：

フラストレート強磁性鎖のRIXSスペクトル
(日本物理学会第78回年次大会 2023)
Wavepacket approach for spin transport in zigzag spin chain
(XXXIV IUPAP Conference on Computational Physics (CCP2023) 2023)
Spin quadrupole excitations in frustrated ferromagnetic chain
(RIXS/REXS workshop 2023 2023)
マグノンクラスターの流れによるスピン・エネルギー輸送
(日本物理学会2022年秋季大会 2022)
Extended Nagaoka Ferromagnetism in Hubbard Model with Particle Bath
(29th International Conference on Low Temperature Physics (LT29) 2022)

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Education (3)：

1999 - 2002 Osaka University Graduate School of Science Department of Earth and Space Science
1997 - 1999 Osaka University Graduate School of Science Department of Earth and Space Science
1993 - 1997 Osaka University Faculty of Science Department of Physics

Professional career (1)：

Work history (6)：

2019/07 - 現在 Japan Atomic Energy Agency Advanced Science Research Center Principal Scientist
2012/07 - 2019/06 Japan Atomic Energy Agency Advanced Science Research Center Senior Scientist
2009/04 - 2016/03 RIKEN Advanced Science Institute Visiting Scientist
2005/10 - 2012/06 Japan Atomic Energy Agency Advanced Science Research Center Research Scientist
2007/07 - 2008/06 Oak Ridge National Laboratory Materials Science and Technology Division Long-term Visitor

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Committee career (3)：

Association Membership(s) (1)：

THE PHYSICAL SOCIETY OF JAPAN

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