論文・講演




全出版物


プレプリント等
  1. [学術論文] Rintaro Eto, Matthias Gohlke, Jairo Sinova, Masahito Mochizuki, Alexander L. Chernyshev, Alexander Mook
    Spontaneous Magnon Decays from Nonrelativistic Time-Reversal Symmetry Breaking in Altermagnets
    投稿準備中. (arXiv:2502.20146).


  2. [学術論文] Yuya Ominato, Masahito Mochizuki
    Theory of Photocurrent and High-Harmonic Generation with Chiral Fermions
    投稿済. (arXiv:2503.02469).


  3. [学術論文] Rintaro Eto, Masahito Mochizuki, Shinji Watanabe
    Predicted versatile topological nodal magnons in the icosahedral quasicrystal 1/1 approximants
    投稿済. (arXiv:2502.11286).


  4. [学術論文] Lan Bo, Songli Dai, Xichao Zhang, Masahito Mochizuki, Xiaohong Xu, Zean Tian, Yan Zhou
    All-electric control of skyrmion-bimeron dynamic transition in van der Waals heterostructures
    投稿済.


  5. [学術論文] Daisuke Nakamura, Mu-Kun Lee, Kosuke Karube, Masahito Mochizuki, Naoto Nagaosa, Yoshinori Tokura, Yasujiro Taguchi
    Nonreciprocal transport in a room-temperature chiral magnet
    投稿済. (arXiv:2412.02272)


  6. [学術論文] Collins Ashu Akosa, Christian Ortiz Pauyac, Sergey Nikolaev, Mairbek Chshiev, Alan Kalitsov, Gen Tatara, Masahito Mochizuki
    Rashba spin-orbit effects in tunnel junctions with magnetic insulators
    投稿済.


  7. [学術論文] J. A. Vélez, Mu-Kun Lee, Gen Tatara, P.-I. Gavriloaea, Jackson Ross, D. Laroze, U. Atxitia, Richard F. L. Evans, Roy W. Chantrell, Masahito Mochizuki, Rubén M. Otxoa
    Chaotic Proliferation of Relativistic Domain Walls for Reservoir Computing
    投稿済. (arXiv:2412.20308)


  8. [学術論文] Qianrui Li, Yun Shu, Jing Xia, Xichao Zhang, Ping Lai, Laichuan Shen, Lei Gu, Yan Zhou, Xiaoxi Liu, Masahito Mochizuki, Guoping Zhao
    Creation of hopfions and skyrmionium tubes in a centrosymmetric magnet without antisymmetric exchange interactions
    投稿済.


  9. [学術論文] Xichao Zhang, Jing Xia, Yan Zhou, Guoping Zhao, Xiaoxi Liu, Yongbing Xu, and Masahito Mochizuki
    Basic Fluidic Logic Based on Chiral Skyrmion Flows
    投稿済.


2024年度
  1. [解説論文(招待)] Masahito Mochizuki, Yusuke Miyajima (2024/12/19)
    Machine-Learning Detection of the Berezinskii-Kosterlitz-Thouless Transitions
    Journal of the Physical Society of Japan 94, 031003/1-13 (2024).
    DOI: 10.7566/JPSJ.94.031003 (arXiv:2502.09214) Special Topics for Machine Learning Physics


  2. [解説論文(招待)] Sheng Yang, Yuelei Zhao, Xichao Zhang, Xingxiang Jun, Xiaoguang Li, Masahito Mochizuki, Xiaohong Xu, Johan Åkerman, Yan Zhou (2024/12/13)
    The Fundamentals and Applications of the Skyrmion Hall Effect
    Applied Physics Review 11, 041335/1-28 (2024).
    DOI: 10.1063/5.0218280


  3. [解説論文(招待)] Yuto Ohki, Masahito Mochizuki (2024/10/21)
    Fundamental theory of current-induced motion of magnetic skyrmions
    Journal of Physics: Condensed Matter 37, 023003/1-30 (2024).
    DOI: 10.1088/1361-648X/ad861b (arXiv:2502.09191) Topical Review


  4. [解説記事(日本語)] 宮島悠輔,望月維人 (2024/10/15)
    「機械学習によるスピン模型のべレジンスキー-コスタリッツ-サウレス転移の検出」
    固体物理 第59巻第10号(2024年10月号「トピックス」)pp. 29(531)-46(548).


  5. [解説記事(日本語)] 望月維人, 張渓超, 劉小晰 (2024/10/05)
    「スキルミオンのアクティブマター挙動」
    日本物理学会誌 第79巻第10号(2024年10月号「最近の研究から」)pp. 549-554.


  6. [学術論文] Yusuke Miyajima, and Masahito Mochizuki (2024/09/30)
    Proposed modified computational model for the amoeba-inspired combinatorial optimization machine
    Nonlinear Theory and Its Applications (NOLTA), IEICE 153, 824-837 (2024).
    DOI: 10.1587/nolta.15.824 (arXiv:2404.06828)


  7. [学術論文] Tomonao Araki, Rina Takagi, Takashi Kurumaji, Yoshinori Tokura, Masahito Mochizuki, and Shinichiro Seki (2024/09/24)
    Exotic Spin Excitations in a Polar Magnet VOSe2O5
    Physical Review Letters 133, 136702/1-6 (2024).
    DOI: 10.1103/PhysRevLett.133.136702


  8. [解説論文(招待)] Masahito Mochizuki (2024/09/13)
    Modeling and Physics of Multiferroic Perovskite Manganites
    Journal of the Physical Society of Japan 93, 121004/1-16 (2024).
    DOI: 10.7566/JPSJ.93.121004 (arXiv:2502.09207) Special Topics for 70 Years of Tanabe-Sugano Diagrams


  9. [プレスリリース](2024/09/09)
    「レーストラックアンチスキルミオンの動作実証に成功-次世代の情報デバイス開拓に期待-」
    (早稲田大学, 理化学研究所, 東京大学)


  10. [学術論文] Yao Guang, Xichao Zhang, Yizhou Liu, Licong Peng, Fehmi Sami Yasin, Kosuke Karube, Daisuke Nakamura, Naoto Nagaosa, Yasujiro Taguchi, Masahito Mochizuki, Yoshinori Tokura, and Xiuzhen Yu (2024/09/04)
    Confined antiskyrmion motion driven by electric current excitations
    Nature Communications 15, 7701/1-8 (2024).
    DOI: 10.1038/s41467-024-52072-4


  11. [学術論文] Rintaro Eto, and Masahito Mochizuki (2024/08/08)
    Multiple Floquet Chern insulator phases in the spin-charge coupled triangular-lattice ferrimagnet: Crucial roles of higher-order terms in the high-frequency expansion
    Physical Review B 110, 085117/1-13 (2024).
    DOI: 10.1103/PhysRevB.110.085117 (arXiv:2404.05385)


  12. [解説記事(日本語)] 望月維人 (2024/07/29)
    「磁気スキルミオンが示す電流駆動ダイナミクスの理論」
    第69回物性若手夏の学校講義・集中ゼミテキスト pp. 123-132.


  13. [学術論文] Mu-Kun Lee, Rubén M. Otxoa, and Masahito Mochizuki (2024/07/31)
    Predicted Multiple Walker Breakdowns for Current-Driven Domain-Wall Motion in Antiferromagnets
    Physical Review B 110, L020408/1-6 (2024).
    DOI: 10.1103/PhysRevB.110.L020408 (arXiv:2312.10337)


  14. [解説論文] Masahito Mochizuki, and Rintaro Eto (2024/07/24)
    Theoretical studies on the spin-charge dynamics in Kondo-lattice models
    東京大学物性研究所スーパーコンピューターセンター2023年度成果報告書 招待論文
    ISSN 2188-5001 (arXiv:2502.14253)


  15. [学術論文] Jing Xia, Xichao Zhang, Yan Zhou, Xiaoxi Liu, Guoping Zhao, and Masahito Mochizuki (2024/07/17)
    Transformation of a cellular skyrmion to polyomino-like structures
    Applied Physics Letters 125, 032404/1-7 (2024).
    DOI: 10.1063/5.0215267 (arXiv:2403.01765)


  16. [学術論文] Collins Ashu Akosa, Gen Tatara, Aurelien Manchon, and Masahito Mochizuki (2024/07/16)
    Decoupling the influences of chiral damping and Dzyaloshinskii-Moriya interaction in chiral magnetic domain walls
    Physical Review B 110, 024420/1-8 (2024).
    DOI: 10.1103/PhysRevB.110.024420


  17. [解説記事(日本語)] 衛藤倫太郎,望月維人 (2024/07/15)
    「近藤格子磁性体に現れるトポロジカル磁性のスピン・電荷励起の理論」
    固体物理 第59巻第7号(2024年7月号「トピックス」)pp. 13(369)-24(380).


  18. [解説論文] Masahito Mochizuki (2024/07/02)
    Writing a magnetic whirl on the multiferroics
    Nature Materials 23, 872–873 (2024) News & Views.
    DOI: 10.1038/s41563-024-01923-y


  19. [プレスリリース](2024/06/13)
    Uncovering the nature of emergent magnetic monopoles
    (早稲田大学, EurekAlert!, AlphaGalileo, Phys.org/Physics News)


  20. [プレスリリース](2024/06/03)
    「物質中の創発磁気モノポールが示す新規な集団振動現象を発見:約100年前に予言された幻の素粒子「磁気モノポール」の理解につながる一歩へ」 」(早稲田大学)


  21. [学術論文] Rintaro Eto, and Masahito Mochizuki (2024/05/31)
    Theory of Collective Excitations in the Quadruple-Q Magnetic Hedgehog Lattices
    Physical Review Letters 132, 226705/1-7 (2024).
    DOI: 10.1103/PhysRevLett.132.226705 (arXiv:2403.01765)


  22. [学術論文] Xichao Zhang, Yan Zhou, Xiuzhen Yu, and Masahito Mochizuki (2024/05/24)
    Bimerons create bimerons: Proliferation and aggregation induced by currents and magnetic fields
    Aggregate e590/1-11 (2024).
    DOI: 10.1002/agt2.590 (arXiv:2407.07303)


  23. [学術論文] Lan Bo, Xichao Zhang, Masahito Mochizuki, and Xuefeng Zhang (2024/05/22)
    Suppression of the Skyrmion Hall Effect in Synthetic Ferrimagnets with Gradient Magnetization
    Physical Review Research 6, 023199/1-9 (2024).
    DOI: 10.1103/PhysRevResearch.6.023199 (arXiv:2405.14641)


  24. [学術論文] Xue-Feng Pan, Peng-Bo Li, Xin-Lei Hei, Xichao Zhang, Masahito Mochizuki, and Franco Nori (2024/05/06)
    Magnon-Skyrmion Hybrid Quantum Systems: Tailoring Interactions via Magnons
    Physical Review Letters 132, 193601/1-10 (2024).
    DOI: 10.1103/PhysRevLett.132.193601 (arXiv:2404.09388)


2023年度
  1. [学術論文] Anjie Jiang, Yan Zhou, Xichao Zhang, and Masahito Mochizuki (2024/03/04)
    Micromagnetic theory of a type of thermal annihilation of magnetic skyrmionium
    Physical Review Research 6, 013229/1-16 (2024).
    DOI: 10.1103/PhysRevResearch.6.013229


  2. [学術論文] Lan Bo, Rongzhi Zhao, Xichao Zhang, Masahito Mochizuki, and Xuefeng Zhang (2024/02/13)
    Global Rotation of Skyrmion Bags under Vertical Microwave Fields
    Journal of Applied Physics 135, 063905/1-6 (2024).
    DOI: 10.1063/5.0187825 (arXiv:2402.15219)


  3. [プレスリリース](2024/02/13)
    "Scientists Study the Behaviors of Chiral Skyrmions in Chiral Flower-Like Obstacles"
    (早稲田大学, EurekAlert!, Phys.org/Physics News)


  4. [学術論文] Xichao Zhang, Jing Xia, Oleg A. Tretiakov, Motohiko Ezawa, Guoping Zhao, Yan Zhou, Xiaoxi Liu, and Masahito Mochizuki (2023/12/06)
    Chiral Skyrmions Interacting with Chiral Flowers
    Nano Letters 23, 11793-11801 (2023).
    DOI: 10.1021/acs.nanolett.3c03792 (arXiv:2309.10338)


  5. [プレスリリース](2023/11/29)
    「スキルミオンスピン波リザバーの高度な文字認識機能を実証~ IoT 時代を支える省エネ・安定・低コストな情報処理デバイスの実現に道 ~」(早稲田大学)


  6. [学術論文] Mu-Kun Lee, and Masahito Mochizuki (2023/11/08)
    Handwritten digit recognition by spin waves in a Skyrmion reservoir
    Scientific Reports 13, 19423/1-9 (2023).
    DOI: 10.1038/s41598-023-46677-w (arXiv:2309.06815)


  7. [学術論文] Xiuzhen Yu, Naoya Kanazawa, Xichao Zhang, Yoshio Takahashi, Konstantin V. Iakoubovskii, Kiyomi Nakajima, Toshiaki Tanigaki, Masahito Mochizuki, and Yoshinori Tokura (2023/09/15)
    Spontaneous Vortex-Antivortex Pairs and Their Topological Transitions in a Chiral-Lattice Magnet
    Advanced Materials 36, 2306441/1-9 (2023).
    DOI: 10.1002/adma.202306441


  8. [学術論文] Xichao Zhang, Jing Xia, Oleg A. Tretiakov, Motohiko Ezawa, Guoping Zhao, Yan Zhou, Xiaoxi Liu, and Masahito Mochizuki (2023/10/24)
    Laminar and transiently disordered dynamics of magnetic-skyrmion pipe flow
    Physical Review B 108, 144428/1-14 (2023).
    DOI: 10.1103/PhysRevB.108.144428 (arXiv:2305.13590)


  9. [学術論文] Xichao Zhang, Jing Xia, Oleg A. Tretiakov, Guoping Zhao, Yan Zhou, Masahito Mochizuki, Xiaoxi Liu, and Motohiko Ezawa (2023/08/09)
    Reversible magnetic domain reorientation induced by magnetic field pulses of fixed direction
    Physical Review B 108, 064410/1-11 (2023).
    DOI: 10.1103/PhysRevB.108.064410 (arXiv:2307.15263)


  10. [学術論文] Tatsuki Muto, and Masahito Mochizuki (2023/07/13)
    Theory of Magnetic Vortex Crystals Induced by Electric Dipole Interactions
    Journal of the Physical Society of Japan 92, 084704/1-7 (2023).
    DOI: 10.7566/JPSJ.92.084704 (arXiv:2305.00751)


  11. [学術論文] Lan Bo, Rongzhi Zhao, Chenglong Hu, Xichao Zhang, Xuefeng Zhang, and Masahito Mochizuki (2023/06/28)
    Controllable creation of skyrmion bags in a ferromagnetic nanodisk
    Physical Review B 107, 224431/1-7 (2023).
    DOI: 10.1103/PhysRevB.107.224431 (arXiv:2307.09528)


  12. [会議論文(査読有)] Keisuke Kitayama, Masao Ogata, Yasuhiro Tanaka, and Masahito Mochizuki (2023/05/23)
    Theoretical Studies of Photoinduced Topological Phase Transitions in Organic Salt α-(BEDT-TTF)2I3
    Proceedings of the 29th International Conference on Low Temperature Physics (LT29),
    JPS Conference Proceedings 38, 011150/1-5 (2023)
    DOI: 10.7566/JPSCP.38.011150


  13. [著書] 望月維人 (※Section contribution to the book, II基礎編第6章第3節『スキルミオン』, 10頁)
    書籍タイトル: スピントロ二クスハンドブック 基礎から応用まで (760頁)
    英語タイトル:Spintronics Handbook ―Fundamentals and Applications―
    出版: (株)エヌ・ティー・エス
    編集:スピントロ二クスハンドブック編集委員会
    監修:佐橋政司, 湯浅新治, 遠藤哲郎
    ISBN(冊子)978-4-86043-842-5
    ISBN(電子)978-4-86043-843-2


  14. [学術論文] Yusuke Miyajima, Masahito Mochizuki (2023/04/17)
    Machine-learning detection of the Berezinskii-Kosterlitz-Thouless transition and the second-order phase transition in XXZ models
    Physical Review B 107, 134420/1-16 (2023).
    DOI: 10.1103/PhysRevB.107.134420 (arXiv:2304.08871)


2022年度
  1. [学術論文] Junnosuke Matsuki, and Masahito Mochizuki (2023/03/13)
    Thermoelectric effect of a skyrmion crystal confined in a magnetic disk
    Physical Review B 107, L100408/1-5 (2023).
    DOI: 10.1103/PhysRevB.107.L100408 (arXiv:2304.09503)


  2. [学術論文] M. Verseils, P. Hemme, D. Bounoua, R. Cervasio, J-B. Brubach, S. Houver, Y. Gallais, A. Sacuto, D. Colson, T. Iijima, M. Mochizuki, P. Roy, and M. Cazayous (2023/02/24)
    Stabilizing electromagnons in CuO under pressure
    npj Quantum Materials volume 8, 11/1-7 (2023).
    DOI: 10.1038/s41535-023-00542-1


  3. [学術論文] Keisuke Kitayama, Masao Ogata, Masahito Mochizuki, and Yasuhiro Tanaka (2022/10/15)
    Predicted novel type of photoinduced topological phase transition accompanied by collision and collapse of Dirac-cone pair in organic salt α-(BEDT-TTF)2I3
    Journal of the Physical Society of Japan 91, 104704/1-8 (2022).
    DOI: 10.7566/JPSJ.91.104704 (arXiv:2203.04539)


  4. [会議論文(査読無)] Masahito Mochizuki, Rintaro Eto, and Takashi Inoue (2022/09/22)
    Dynamical Magnetic Phase Transitions in Spin-Charge Coupled Systems
    Proceedings of META 2022 Torremolinos - Spain pp.401 (2022).
    ISSN: 2429-1390


  5. [プレスリリース](2022/08/02)
    「スキルミオン結晶のリザバーコンピューティング機能を実証~ IoT社会を支える高性能な情報処理素子の実現に道 ~」 (早稲田大学)


  6. [学術論文] Mu-Kun Lee, and Masahito Mochizuki (2022/07/29)
    Reservoir Computing with Spin Waves in a Skyrmion Crystal
    Physical Review Applied 18, 014074/1-18 (2022).
    DOI: 10.1103/PhysRevApplied.18.014074 (arXiv:2203.02160) Editors' Suggestion


  7. [解説記事(日本語)] 望月維人, 北山圭亮, 田中康寛, 小形正男 (2022/07/15)
    「有機導体α-(BEDT-TTF)2I3の光誘起トポロジカル相転移の理論研究」
    固体物理 第57巻第7号 (2022年7月号「トピックス」) pp. 1(397)-13(409).


  8. [プレスリリース](2022/07/21)
    「強相関ディラック電子系物質における光誘起相転移を理論的に発見」 (早稲田大学, 金沢工業大学)


  9. [学術論文] Yasuhiro Tanaka, and Masahito Mochizuki (2022/07/18)
    Dynamical phase transitions in the photodriven charge-ordered Dirac-electron system
    Physical Review Letters 129, 047402/1-6 (2022).
    DOI: 10.1103/PhysRevLett.129.047402 (arXiv:2203.04542)


  10. [プレスリリース](2022/06/30)
    「新型スキルミオン結晶が示す特異なスピン・電荷励起の性質を発見~未知のデバイス機能の開拓や技術応用に期待~」 (早稲田大学, 東京大学工学部/工学系研究科, 科学技術振興機構(JST))


  11. [学術論文] Rintaro Eto, Rico Pohle, and Masahito Mochizuki (2022/06/28)
    Low-Energy Excitations of Skyrmion Crystals in a Centrosymmetric Kondo-Lattice Magnet: Decoupled Spin-Charge Excitations and Nonreciprocity
    Physical Review Letters 129, 017201/1-7 (2022).
    DOI: 10.1103/PhysRevLett.129.017201 (arXiv:2203.01496)


  12. [学術論文] Takashi Inoue, and Masahito Mochizuki (2022/04/19)
    Photoinduced 120-degree spin order in the Kondo-lattice model on a triangular lattice
    Physical Review B 105, 144422/1-15 (2022).
    DOI: 10.1103/PhysRevB.105.144422 (arXiv:2202.06528)


2021年度
  1. [学術論文] Rintaro Eto, and Masahito Mochizuki (2021/09/27)
    Dynamical switching of magnetic topology in microwave-driven itinerant magnet
    Physical Review B 104, 104425/1-13 (2021).
    DOI: 10.1103/PhysRevB.104.104425 (arXiv:2109.13511)


  2. [学術論文] Yuto Uwabo, and Masahito Mochizuki (2021/09/24)
    Proposed Negative Thermal Expansion in Honeycomb-Lattice Antiferromagnets
    Journal of the Physical Society of Japan 90, 104712/1-6 (2021).
    DOI: 10.7566/JPSJ.90.104712 (arXiv:2108.13065)


  3. [学術論文] Keisuke Kitayama, Yasuhiro Tanaka, Masao Ogata, and Masahito Mochizuki (2021/09/15)
    Floquet theory of photoinduced topological phase transitions in the organic salt α-(BEDT-TTF)2I3 irradiated with elliptically polarized light
    Journal of the Physical Society of Japan 90, 104705/1-12 (2021).
    DOI: 10.7566/JPSJ.90.104705 (arXiv:2108.05843) Editors' Choice


  4. [学術論文] Keisuke Kitayama, Masahito Mochizuki, Yasuhiro Tanaka, and Masao Ogata (2021/08/16)
    Predicted photoinduced pair annihilation of emergent magnetic charges in the organic salt α-(BEDT-TTF)2I3 irradiated by linearly polarized light
    Physical Review B 104, 075127/1-9 (2021).
    DOI: 10.1103/PhysRevB.104.075127 (arXiv:2108.08069)


  5. [学術論文] Y. Tanaka, and Masahito Mochizuki (2021/08/13)
    Real-time dynamics of the photoinduced topological state in organic conductor α-(BEDT-TTF)2I3 under continuous-wave and pulse excitations
    Physical Review B 104, 085123/1-7 (2021).
    DOI: 10.1103/PhysRevB.104.085123 (arXiv:2108.04758)


  6. [学術論文] Yusuke Miyajima, Yusuke Murata, Yasuhiro Tanaka, and Masahito Mochizuki (2021/08/11)
    Machine learning detection of Berezinskii-Kosterlitz-Thoulesstransitions in q-state clock models
    Physical Review B 104, 075114/1-10 (2021).
    DOI: 10.1103/PhysRevB.104.075114 (arXiv:2108.05823)


  7. [著書] Masahito Mochizuki (※Chapter contribution to the book)
    Book Title: Chirality, Magnetism and Magnetoelectricity (575 pages)
    Book Subtitle: Separate Phenomena and Joint Effects in Metamaterial Structures
    Chap. Title: Microwave-Driven Dynamics of Magnetic Skyrmions under a Tilted Magnetic Field: Magnetic Resonances, Translational Motions, and Spin-motive Forces (24 pages)
    Info.: Springer, Berlin, 2021, edited by Eugene Kamenetskii
    eBook ISBN: 978-3-030-62844-4, Hardcover ISBN: 978-3-030-62843-7
    DOI: 10.1007/978-3-030-62844-4


2020年度
  1. [著書] Masahito Mochizuki (※Chapter contribution to the book)
    Book Title: Multiferroics: Fundamentals and Applications (300 pages)
    Chap. Title: Dynamical magnetoelectric phenomena of skyrmions in multiferroics (15 pages)
    Info.: De Gruyter, Berlin, 2021, edited by Dennis Meier, Andres Cano, Morgan Trassin
    ISBN-10: 3110580977, ISBN-13: 978-3110580976


  2. [学術論文] T. Katsufuji, M. Miyake, M. Naka, Masahito Mochizuki, S. Kogo, T. Kajita, Y. Shimizu, M. Itoh, T. Hasegawa, S. Shimose, S. Noguchi, T. Saiki, T. Sato, and F. Kagawa (2021/02/02)
    Orbital and magnetic ordering and domain-wall conduction in ferrimagnet La5Mo4O16
    Physical Review Research 3, 013105/1-17 (2021).
    DOI: 10.1103/PhysRevResearch.3.013105


  3. [学術論文] Yasuhiro Tanaka, Takashi Inoue, and Masahito Mochizuki (2020/08/19)
    Theory of the Inverse Faraday Effect due to the Rashba Spin-Oribt Interactions: Roles of Band Dispersions and Fermi Surfaces
    New Journal of Physics 22, 083054/1-11 (2020).
    DOI: 10.1088/1367-2630/aba5be (arXiv:2007.08072)


  4. [学術論文] Keisuke Kitayama, and Masahito Mochizuki (2020/05/26)
    Predicted photoinduced topological phases in organic salt α-(BEDT-TTF)2I3
    Physical Review Research 2, 023229/1-7 (2020).
    DOI: 10.1103/PhysRevResearch.2.023229 (arXiv:2005.14364)


2019年度
  1. [学術論文] Masayuki Miyake, and Masahito Mochizuki (2020/03/17)
    Creation of nanometric magnetic skyrmions by global application of circularly polarized microwave magnetic field
    Physical Review B 101, 094419/1-9 (2020).
    DOI: 10.1103/PhysRevB.101.094419 (arXiv:2003.07022)


  2. [学術論文] Kohei Tanaka, Ryosuke Sugawara, and Masahito Mochizuki (2020/03/11)
    Theoretical study on stabilization and destabilization of magnetic skyrmions by uniaxial-strain-induced anisotropic Dzyaloshinskii--Moriya interactions
    Physical Review Materials 4, 034404/1-8 (2020).
    DOI: 10.1103/PhysRevMaterials.4.034404 (arXiv:2003.07034)


  3. [解説記事(日本語)] 望月維人 (2020/03/05)
    「温めると縮む磁石の謎がついに解けた!」
    日本物理学会誌 第75巻第3号(2020年3月号「解説」)pp. 130-138.


  4. [解説記事(日本語)] 望月維人 (2020/02)
    「局所電場印加による磁気スキルミオン書き込み技術の理論設計」 (PDF, 8 MB 掲載ライセンス取得済み)
    日本磁気学会報「まぐね」第15巻第1号 (2020年2月号特集記事) pp. 192-198.


  5. [学術論文] Kotaro Shimizu, and Masahito Mochizuki (2020/01/13)
    Theoretical study on slit experiments in Rashba electron systems
    Physical Review B 101, 045301/1-6 (2020).
    DOI: 10.1103/PhysRevB.101.045301 (arXiv:1909.10725)


  6. [会議論文(査読無)] Masahito Mochizuki, Tatsuya Koide, Masahito Ikka, and Akihito Takeuchi
    Microwave-Active Dynamics of Magnetic Skyrmions under Application of a Tilted Magnetic Field
    Proceedings of META 2019 Lisbon - Portugal pp.611 (2019).
    ISSN: 2429-1390


  7. [解説論文] Masahito Mochizuki
    Dynamical magnetoelectric phenomena of skyrmions in multiferroics
    Physical Sciences Reviews 5, 20190017 (2019).
    (Walter de Gruyter GmbH, Berlin/Boston, 2020)
    ISSN (Online): 2365-659X, DOI: 10.1515/psr-2019-0017


  8. [解説記事(日本語)] 望月維人 (2019/09)
    「冷やすと膨らむ不思議な磁石 ―半世紀の謎がついに解けた―」
    現代化学 No.582 (2019年9月号「解説」) pp. 26-29.


  9. [学術論文] Tatsuya Koide, Akihito Takeuchi, and Masahito Mochizuki (2019/07/03)
    DC spinmotive force from microwave-active resonant dynamics of skyrmion crystal under a tilted magnetic field
    Physical Review B 100, 014408/1-9 (2019).
    DOI: 10.1103/PhysRevB.100.014408 (arXiv:1907.00621)


  10. [解説記事(日本語)] 望月維人 (2019/07)
    「磁気スキルミオンのマイクロ波誘起現象と素子機能」
    応用物理 第88巻第7号 (2019年7月号「研究紹介」) pp. 460-464.
    DOI: 10.11470/oubutsu.88.7_460


  11. [学術論文] Akihito Takeuchi, Shigeyasu Mizushima, and Masahito Mochizuki (2019/07/02)
    Electrically driven spin torque and dynamical Dzyaloshinskii-Moriya interaction in magnetic bilayer systems
    Scientific Reports 9, 9528/1-8 (2019).
    DOI: 10.1038/s41598-019-46009-x (arXiv:1907.00601)


  12. [学術論文] Kab-Jin Kim, Masahito Mochizuki, and Teruo Ono (2019/05/01)
    Prediction of topological Hall effect in a driven magnetic domain wall
    Applied Physics Express 12, 053006/1-3 (2019).
    DOI: 10.7567/1882-0786/ab1801 (arXiv:1907.01648)


  13. [学術論文] L. V. Abdurakhimov, S. Khan, N. A. Panjwani, J. D. Breeze, Masahito Mochizuki, S. Seki, Y. Tokura, J. J. L. Morton, and H. Kurebayashi (2019/04/03)
    Magnon-photon coupling in the noncollinear magnetic insulator Cu2OSeO3
    Physical Review B 99, 140401(R)/1-6 (2019).
    DOI: 10.1103/PhysRevB.99.140401 (arXiv:1802.07113) Editors' Suggestion


2018年度
  1. [プレスリリース](2019/02/22)
    「温めると縮む物質の負熱膨張現象メカニズムを解明」 (早稲田大学, 青山学院大学)


  2. [学術論文] Masaya Kobayashi, and Masahito Mochizuki (2019/02/21)
    Theory of magnetism-driven negative thermal expansion in inverse perovskite antiferromagnets
    Physical Review Materials 3, 024407/1-6 (2019).
    DOI: 10.1103/PhysRevMaterials.3.024407 (arXiv:1902.08904)


  3. [学術論文] Kosuke Kurushima, Kohei Tanaka, Hiroshi Nakajima, Masahito Mochizuki, and Shigeo Mori (2019/02/01)
    Microscopic magnetization distribution of Bloch lines in a uniaxial magnet
    Journal of Applied Physics 125, 053902/1-4 (2019).
    DOI: 10.1063/1.5042678 (arXiv:1907.00819)


  4. [学術論文] Masahito Ikka, Akihito Takeuchi, and Masahito Mochizuki (2018/11/27)
    Resonance modes and microwave-driven translational motion of a skyrmion crystal under an inclined magnetic field
    Physical Review B 98, 184428/1-9 (2018).
    DOI: 10.1103/PhysRevB.98.184428 (arXiv:1811.06501)


  5. [学術論文] Ian Aupiais, Masahito Mochizuki, Hideaki Sakata, Romain Grasset, Yann Gallais, Alain Sacuto, and Maximilien Cazayous (2018/11/20)
    Colossal electromagnon excitation in the non-cycloidal phase of TbMnO3 under pressure
    npj Quantum Materials 3, 60/1-5 (2018).
    DOI: 10.1038/s41535-018-0130-3 (arXiv:1901.00919)


  6. [学術論文] Akihito Takeuchi, and Masahito Mochizuki (2018/08/15)
    Selective activation of an isolated magnetic skyrmion in a ferromagnet with microwave electric fields
    Applied Physics Letters 113, 072404/1-5 (2018).
    DOI: 10.1063/1.5045629 (arXiv:1810.01606)


2017年度
  1. [学術論文] Masahito Mochizuki, Keisuke Ihara, Jun-ichiro Ohe, and Akihito Takeuchi (2018/03/19)
    Highly efficient induction of spin polarization by circularly polarized electromagnetic waves in the Rashba spin-orbit systems
    Applied Physics Letters 112, 122401/1-5 (2018).
    DOI: 10.1063/1.5022262 (arXiv:1809.07513)


  2. [学術論文] Masahito Mochizuki, Masaya Kobayashi, Reoya Okabe, and Daisuke Yamamoto (2018/02/05)
    Spin model for nontrivial types of magnetic order in inverse-perovskite antiferromagnets
    Physical Review B 97, 060401(R)/1-5 (2018).
    DOI: 10.1103/PhysRevB.97.060401 (arXiv:1809.04740)


  3. [学術論文] H. Nakajima, A. Kotani, Masahito Mochizuki, K. Harada, and S. Mori (2017/11/06)
    Formation process of skyrmion lattice domain boundaries: The role of grain boundaries
    Applied Physics Letters 111, 192401/1-5 (2017).
    DOI: 10.1063/1.4991791 (arXiv:1907.00774)


  4. [学術論文] Masahito Mochizuki (2017/08/30)
    Controlled creation of nanometric skyrmions using external magnetic fields
    Applied Physics Letters 111, 092403/1-5 (2017).
    DOI: 10.1063/1.4993855 (arXiv:1809.04331)


2016年度
  1. [解説記事(日本語)] 望月維人
    「磁気スキルミオンのデバイス機能とダイナミクス」
    電子通信学会技報 第116巻第83号 pp. 39-44.


  2. [解説記事(日本語)] 望月維人
    「磁気スキルミオンのメモリ素子応用を目指した研究の潮流」
    IDEMA Japan News (日本HDD協会技術委員会ヘッドディスク部会 2016年11月8日より) pp. 1-6.


2015年度
  1. [解説記事(日本語)] 松原正和,望月維人,木村剛 (2016/03/15)
    「スパイラル磁性強誘電体TbMnO3におけるマルチフェロイックドメインの外場応答」
    固体物理 第51巻第3号 (2016年3月号「トピックス」) pp. 25(173)-37(185).


  2. [著書] Masahito Mochizuki (※Chapter contribution to the book)
    Book Title: Topological Structures in Ferroic Materials: Domain Walls, Skyrmions and Vortices (240 pages)
    Chap. Title: Current-Driven Dynamics of Skyrmions (27 pages)
    Info.: Springer, Berlin, 2016, edited by J. Seidel
    ISBN 978-3-319-25301-5


  3. [解説記事(日本語)] 松原正和,望月維人,木村剛
    「マルチフェロイック物質の磁気強誘電ドメインを直接観察」
    Scienceに載った日本人 2016年号 (AAAS, New York) pp. 41-42


  4. [学術論文] Masahito Mochizuki (2015/10/26)
    Creation of Skyrmions by Electric Field on Chiral-Lattice Magnetic Insulators
    Advanced Electronic Materials 2, 1500180/1-6 (2016).
    DOI: 10.1002/aelm.201500180 (arXiv:1511.07123)


  5. [解説記事(日本語)] 望月維人
    「磁気スキルミオンのダイナミクスとデバイス機能」
    (公社)日本磁気学会第205回研究会資料 pp.39-44 (2015).


  6. [学術論文] Masahito Mochizuki (2015/12/08)
    Theory of Magnetic-Field-Induced Polarization Flop in Spin-Spiral Multiferroics
    Physical Review B 92, 224412/1-6 (2015).
    DOI: 10.1103/PhysRevB.92.224412 (arXiv:1511.07960)


  7. [解説論文] Masahito Mochizuki, and Shinichiro Seki (2015/12/01)
    Dynamical magnetoelectric phenomena of multiferroic skyrmions
    Journal of Physics: Condensed Matter 27, 503001/1-24 (2015).
    DOI: 10.1088/0953-8984/27/50/503001 (arXiv:1511.07761)


  8. [著書] Shinichiro Seki, Masahito Mochizuki
    Book Title: Skyrmions in Magnetic Materials (69 pages)
    Info.: Springer, Berlin, 2016
    eBook ISBN: 978-3-319-24651-2, Softcover ISBN: 978-3-319-24649-9
    DOI: 10.1007/978-3-319-24651-2


  9. [学術論文] I. Kezsmarki, S. Bordács, P. Milde, E. Neuber, L. M. Eng, J. S. White, H. M. Ronnow, C. D. Dewhurst, Masahito Mochizuki, K. Yanai, H. Nakamura, D. Ehlers, V. Tsurkan, and A. Loidl (2015/09/07)
    Neel-type skyrmion lattice with confined orientation in the polar magnetic semiconductor GaV4S8
    Nature Materials 14, 1116-1122 (2015).
    DOI:10.1038/nmat4402 (arXiv:1502.08049)


  10. [学術論文] Masahito Mochizuki and Yoshio Watanabe (2015/08/27)
    Writing a skyrmion on multiferroic materials
    Applied Physics Letters 107, 082409/1-5 (2015).
    DOI: 10.1063/1.4929727 (arXiv:1511.08433)


  11. [解説記事(日本語)] 望月維人 (2015/08)
    「スキルミオンを作る・消す・動かす」 (PDF, 1.57 MB 掲載許可を取得済み)
    日本磁気学会報「まぐね」第10巻第4号 (2015年8月号特集記事) pp. 192-198.


  12. [プレスリリース](2015/06/05)
    「夢の多機能電子素材 新しい制御手法の基礎原理を世界で初めて確立-電気と磁気を兼ね備える多機能素材の活用に光-」 (東北大学, 国立研究開発法人科学技術振興機構, 大阪大学)


  13. [学術論文] Masakazu Matsubara, Sebastian Manz, Masahito Mochizuki, Teresa Kubacka, Ayato Iyama, Nadir Aliouane, Tuyoshi Kimura, Steven Johnson, Dennis Meier, and Manfred Fiebig (2015/06/05)
    Magnetoelectric domain control in multiferroic TbMnO3
    Science 348, 1112-1115 (2015).
    DOI: 10.1126/science.1260561


  14. [学術論文] Masahito Mochizuki (2015/05/12)
    Microwave Magnetochiral Effect in Cu2OSeO3
    Physical Review Letters 114, 197203/1-5 (2015).
    DOI: 10.1103/PhysRevLett.114.197203 (arXiv:1504.05864)


2013年度
  1. [特許]
    出願:特願2015-072079 (平27.3.31) 出願種別(通常)
    名称:スキルミオン生成装置,スキルミオン生成方法,および磁気記憶装置
    出願人:国立研究開発法人科学技術振興機構
    発明者氏名:望月維人


  2. [解説記事(日本語)] 望月維人,関真一郎 (2014/03/05)
    「絶縁体中の磁気スキルミオン相が示す電気磁気ダイナミクス」
    日本物理学会誌 第69巻第3号 (2014年3月号「解説」) pp. 132-139.


  3. [解説記事(日本語)] 望月維人,永長直人 (2014/03/15)
    「磁気スキルミオンが示す特異な熱励起・電流誘起ダイナミクス」
    固体物理 第49巻第3号 (2014年3月号「トピックス」) pp. 25(125)-35(135).


  4. [プレスリリース](2014/01/28)
    「キラル磁性体中の「スキルミオン」が示す回転現象を発見-高密度・省電力メモリ素子への応用に向けスキルミオンの制御法にめど-」 (理化学研究所, 60秒でわかるプレスリリース)


  5. [学術論文] M. Mochizuki, X. Z. Yu, S. Seki, N. Kanazawa, W. Koshibae, J. Zang, M. Mostovoy, Y. Tokura, and N. Nagaosa (2014/01/26)
    Thermally driven ratchet motion of a skyrmion microcrystal and topological magnon Hall effect
    Nature Materials 13, 241-246 (2014).
    DOI: 10.1038/nmat3862


  6. [プレスリリース](2013/09/09)
    「新しい高密度・低消費電力デバイスの実現に前進-電子スピンの渦「スキルミオン」の制御法を理論的に解明-」 (理化学研究所, 60秒でわかるプレスリリース)


  7. [学術論文] Junichi Iwasaki, Masahito Mochizuki, and Naoto Nagaosa (2014/02/05)
    Current-induced skyrmion dynamics in constricted geometries
    Nature Nanotechnology 8, 742-747 (2013).
    DOI: 10.1038/nnano.2013.176


  8. [プレスリリース](2013/09/02)
    「ナノスケールのスピン渦「スキルミオン」を利用したマイクロ波整流効果を発見-マイクロ波応答の新原理を実証-」 (東京大学工学部)


  9. [学術論文] Y. Okamura, F. Kagawa, M. Mochizuki, M. Kubota, S. Seki, S. Ishiwata, M. Kawasaki, Y. Onose, and Y. Tokura (2013/08/30)
    Microwave magnetoelectric effect via skyrmion resonance modes in a helimagnetic multiferroic
    Nature Communications 4, 3391/1-6 (2013).
    DOI: 10.1038/ncomms3391


  10. [学術論文] Masahito Mochizuki, and Shinichiro Seki (2013/04/03)
    Magnetoelectric resonances and predicted microwave diode effect of the skyrmion crystal in a multiferroic chiral-lattice magnet
    Physical Review B 87, 134403/1-5 (2013).
    DOI: 10.1103/PhysRevB.87.134403


2012年度
  1. [学術論文] Junichi Iwasaki, Masahito Mochizuki, and Naoto Nagaosa (2013/02/12)
    Universal current-velocity relation of skyrmion motion in chiral magnets
    Nature Communications 4, 1463/1-8 (2013).
    DOI: 10.1038/ncomms2442


  2. [特許]
    出願:特願2013-240064 (平25.11.20) 出願種別(通常)
    公開:特開2015-100083 (平27.5.28)
    名称:電磁波の透過率制御方法,電磁波の透過率制御デバイス
    出願人:国立研究開発法人理化学研究所, ローム株式会社
    発明者氏名:岡村嘉大,賀川史敬,関真一郎,久保田将司,石渡晋太郎,小野瀬佳文,
    望月維人,十倉好紀,川崎雅司


  3. [特許]
    出願:特願2013-045860 (平25.3.7) 出願種別(通常)
    公開:特開2014-175417 (平26.9.22)
    名称:スキルミオンの生成,消去方法および磁気素子
    出願人:国立研究開発法人理化学研究所
    発明者氏名:永長直人,望月維人,岩崎惇一


2011年度
  1. [学術論文] Y. Shiomi, M. Mochizuki, Y. Kaneko, and Y. Tokura (2012/01/30)
    Hall Effect of Spin-Chirality Origin in a Triangular-Lattice Helimagnet Fe1.3Sb
    Physical Review Letters 108, 056601/1-5 (2012).
    DOI: 10.1103/PhysRevLett.108.056601


  2. [学術論文] H. Wadati, J. Okamoto, M. Garganourakis, V. Scagnoli, U. Staub, Y. Yamasaki, H. Nakao, Y. Murakami, M. Mochizuki, M. Nakamura, M. Kawasaki, and Y. Tokura (2012/01/24)
    Origin of the Large Polarization in Multiferroic YMnO3 Thin Films Revealed by Soft- and Hard-X-Ray Diffraction
    Physical Review Letters 108, 047203/1-5 (2012).
    DOI: 10.1103/PhysRevLett.108.047203


  3. [学術論文] Masahito Mochizuki (2012/01/05)
    Spin-Wave Modes and Their Intense Excitation Effects in Skyrmion Crystals
    Physical Review Letters 108, 017601/1-5 (2012).
    DOI: 10.1103/PhysRevLett.108.017601


  4. [学術論文] Masahito Mochizuki, Nobuo Furukawa, and Naoto Nagaosa (2011/10/05)
    Theory of spin-phonon coupling in multiferroic manganese perovskites RMnO3
    Physical Review B 84, 144409/1-14 (2011). Editors' Suggestion
    DOI: 10.1103/PhysRevB.84.144409


  5. [会議論文(査読有)] Masahito Mochizuki, and Naoto Nagaosa (2011/01/11-14)
    Numerical Simulation of Spin-Chirality Switching in Multiferroics via Intense Electromagnon Excitations
    Journal of Physics: Conference Series. 320, 012082/1-6 (2011).
    DOI: 10.1088/1742-6596/320/1/012082


  6. [学術論文] P. Rovillain, M. Cazayous, Y. Gallais, M-A. Measson, A. Sacuto, H. Sakata, and Masahito Mochizuki (2011/01/05)
    Magnetic Field Induced Dehybridization of the Electromagnons in Multiferroic TbMnO3
    Physical Review Letters 107, 027202/1-4 (2011).
    DOI: 10.1103/PhysRevLett.107.027202


  7. [解説記事(日本語)] 望月維人,古川信夫,永長直人 (2011/04/05)
    「マルチフェロイックスにおけるエレクトロマグノン励起」
    日本物理学会誌 第66巻第4号 (2011年4月号「最近の研究から」) pp. 280-284.


2010年度
  1. [解説記事(日本語)] 望月維人,古川信夫,永長直人 (2011/12)
    「マルチフェロイック希土類Mnペロフスカイトにおける電気磁気現象の理論」
    固体物理 第46巻第2号 (2011年2月号「解説」) pp. 55-73.


  2. [学術論文] Masahito Mochizuki, and Nobuo Furukawa (2010/10/25)
    Theory of Magnetic Switching of Ferroelectricity in Spiral Magnets
    Physical Review Letters 105, 187601/1-4 (2010).
    DOI: 10.1103/PhysRevLett.105.187601


  3. [学術論文] Masahito Mochizuki, and Naoto Nagaosa (2010/09/28)
    Theoretically Predicted Picosecond Optical Switching of Spin Chirality in Multiferroics
    Physical Review Letters 105, 147202/1-4 (2010).
    DOI: 10.1103/PhysRevLett.105.147202


  4. [学術論文] Masahito Mochizuki, Nobuo Furukawa, and Naoto Nagaosa (2010/07/16)
    Spin Model of Magnetostrictions in Multiferroic Mn Perovskites
    Physical Review Letters 105, 037205/1-4 (2010).
    DOI: 10.1103/PhysRevLett.105.037205


  5. [学術論文] Masahito Mochizuki, Nobuo Furukawa, and Naoto Nagaosa (2010/04/30)
    Theory of Electromagnons in the Multiferroic Mn Perovskites: The Vital Role of Higher Harmonic Components of the Spiral Spin Order
    Physical Review Letters 104, 177206/1-4 (2010).
    DOI: 10.1103/PhysRevLett.104.177206


2009年度
  1. [学術論文] Nobuo Furukawa, and Masahito Mochizuki (2010/02/01)
    Roles of Bond Alternation in Magnetic Phase Diagram of RMnO3
    Journal of the Physical Society of Japan 79, 033708/1-4 (2010).
    DOI: 10.1143/JPSJ.79.033708


  2. [学術論文] M. Tokunaga, Y. Yamasaki, Y. Onose, M. Mochizuki, Nobuo Furukawa, and Y. Tokura (2009/10/28)
    Novel Multiferroic State of Eu1-xYxMnO3 in High Magnetic Fields
    Physical Review Letters 103, 187202/1-4 (2009).
    DOI: 10.1103/PhysRevLett.103.187202


  3. [学術論文] Masahito Mochizuki, and Nobuo Furukawa (2009/10/19)
    Microscopic Model and Phase Diagrams of the Multiferroic Perovskite Manganites
    Physical Review B 80, 134416 (2009).
    DOI: 10.1103/PhysRevB.80.134416


  4. [学術論文] Masahito Mochizuki, and Nobuo Furukawa (2009/04/01)
    Mechanism of Lattice-Distortion-Induced Electric-Polarization Flop in the Multiferroic Perovskite Manganites
    Journal of the Physical Society of Japan 78, 053704/1-4 (2009).
    DOI: 10.1143/JPSJ.78.053704


2008年度
  1. [学術論文] F. Kagawa, M. Mochizuki, Y. Onose, H. Murakawa, Y. Kaneko, N. Furukawa, and Y. Tokura (2009/02/06)
    Dynamics of Multiferroic Domain Wall in Spin-Cycloidal Ferroelectric DyMnO3
    Physical Review Letters 102, 057604/1-4 (2009).
    DOI: 10.1103/PhysRevLett.102.057604


  2. [学術論文] Y. Takahashi, N. Kida, Y. Yamasaki, J. Fujioka, T. Arima, R. Shimano, S. Miyahara, M. Mochizuki, N. Furukawa, and Y. Tokura (2008/10/27)
    Evidence for an Electric-Dipole Active Continuum Band of Spin Excitations in Multiferroic TbMnO3
    Physical Review Letters 101, 187201/1-4 (2008).
    DOI: 10.1103/PhysRevLett.101.187201


2007年度
  1. [学術論文] Daisuke Yoshizumi, Yuji Muraoka, Yoshihiko Okamoto, Yoko Kiuchi, Jun-Ichi Yamaura, Masahito Mochizuki, Masao Ogata, and Zenji Hiroi (2007/06/11)
    Precise Control of Band Filling in NaxCoO2
    Journal of the Physical Society of Japan 76, 063705/1-4 (2007).
    DOI: 10.1143/JPSJ.76.063705


2006年度
  1. [学術論文] Masahito Mochizuki, H. Q. Yuan, and Masao Ogata (2007/01/25)
    Specific Heat and Superfluid Density for Possible Two Different Superconducting States in NaxCoO2・yH2O
    Journal of the Physical Society of Japan 76, 023702/1-5 (2007).


  2. [学術論文] Masahito Mochizuki, and Masao Ogata (2007/01/10)
    CoO2-Layer-Thickness Dependence of Magnetic Properties and Possible Two Different Superconducting States in NaxCoO2・yH2O
    Journal of the Physical Society of Japan 76, 013704/1-5 (2007).


  3. [学術論文] Masahito Mochizuki, and Masao Ogata (2006/11/10)
    Deformation of Electronic Structures Due to CoO6 Distortion and Phase Diagrams of NaxCoO2・yH2O
    Journal of the Physical Society of Japan 75, 113703/1-5 (2006).


  4. [会議論文(査読有)] Y. Yanase, M. Mochizuki, and M. Ogata (2006/03/02)
    Role of Spin-Orbit Interaction on the Superconductivity in NaxCoO2・yH2O: Phase Diagram under the Magnetic Field
    Physica B 378-380, 873-874 (2006).


  5. [会議論文(査読有)] Masahito Mochizuki, Youichi Yanase, and Masao Ogata (2006/03/02)
    Magnetic Fluctuation and Pairing Instability Controlled by the CoO6 Distortion in the Sodium Cobalt Oxide
    Physica B 378-380, 875-877 (2006).


2005年度
  1. [学術論文] Youichi Yanase, Masahito Mochizuki, and Masao Ogata (2005/12/15)
    Role of Spin-Orbit Coupling on the Spin Triplet Pairing in NaxCoO2・yH2O II: Multiple Phase Diagram under the Magnetic Field
    Journal of the Physical Society of Japan 74, 3351-3364 (2005).


  2. [学術論文] Youichi Yanase, Masahito Mochizuki, and Masao Ogata (2005/09/15)
    Role of Spin-Orbit Coupling on the Spin Triplet Pairing in NaxCoO2・yH2O I: d-Vector under Zero Magnetic Field
    Journal of the Physical Society of Japan 74, 2568-2578 (2005).


  3. [学術論文] Masahito Mochizuki, Youichi Yanase, and Masao Ogata (2005/06/15)
    Ferromagnetic and Triplet-Pairing Instabilities Controlled by Trigonal Distortion of CoO6 Octahedra in NaxCoO2・yH2O
    Journal of the Physical Society of Japan 74, 1670-1673 (2005).


  4. [学術論文] Masahito Mochizuki, Youichi Yanase, and Masao Ogata (2005/04/15)
    Ferromagnetic Fluctuation and Possible Triplet Superconductivity in NaxCoO2・yH2O: Fluctuation-Exchange Study of the Multiorbital Hubbard Model
    Physical Review Letters 94, 147005/1-4 (2005).


  5. [会議論文(査読有)] Youichi Yanase, Masahito Mochizuki, and Masao Ogata (2005/02/23)
    Theoretical Analysis on the Multi-Orbital Model for the Superconductivity in NaxCoO2
    Physica B 359-361, 1351-1353 (2005).


  6. [会議論文(査読有)] Masahito Mochizuki, Youichi Yanase, and Masao Ogata (2005/02/17)
    Ferromagnetic Fluctuation and Superconductivity in Na0.35CoO2・1.3H2O: FLEX Study of Multi-Orbital Hubbard Model
    Physica B 359-361, 594-596 (2005).


  7. [学術論文] Youichi Yanase, Masahito Mochizuki, and Masao Ogata (2005/01/15)
    Multi-Orbital Analysis on the Superconductivity in NaxCoO2・yH2O
    Journal of the Physical Society of Japan 74, 430-444 (2005).


2004年度以前
  1. [解説論文] Masahito Mochizuki, and Masatoshi Imada (2004/11/05)
    Orbital Physics in the Perovskite Ti Oxides
    New Journal of Physics 6, 154/1-42 (2004).


  2. [学術論文] Masahito Mochizuki, and Masatoshi Imada (2004/07/15)
    G-Type Antiferromagnetism and Orbital Ordering Due to the Crystal Field from the Rare-Earth Ions Induced by the GdFeO3-Type Distortion in RTiO3 with R=La, Pr, Nd and Sm
    Journal of the Physical Society of Japan 73, 1833-1850 (2004).


  3. [学術論文] Masahito Mochizuki, and Masatoshi Imada (2003/10/16)
    Orbital-Spin Structure and Lattice Coupling in RTiO3 Where R=La, Pr, Nd and Sm
    Physical Review Letters 91, 167203/1-4 (2003).


  4. [学術論文] Masahito Mochizuki (2002/08/15)
    Spin and Orbital States and Their Phase Transitions of the Perovskite-Type Ti Oxides: Weak Coupling Approach
    Journal of the Physical Society of Japan 71, 2039-2047 (2002).


  5. [学術論文] Masahito Mochizuki, and Masatoshi Imada (2001/10/15)
    Origin of G-Type Antiferromagnetism and Orbital-Spin Structures in LaTiO3
    Journal of the Physical Society of Japan 70, 2872-2875 (2001).


  6. [解説記事(日本語)] 望月維人,今田正俊 (2001/11)
    「ぺロフスカイト型チタン酸化物における磁気-軌道状態と相転移」
    固体物理 第36巻第11号 (2001年11月号「トピックス」) pp. 793-802.


  7. [学術論文] Masahito Mochizuki, and Masatoshi Imada (2001/06/15)
    Magnetic and Orbital States and Their Phase Transition of the Perovskite-Type Ti Oxides: Strong Coupling Approach
    Journal of the Physical Society of Japan 70, 1777-1789 (2001).


  8. [学術論文] Masahito Mochizuki, and Masatoshi Imada (2000/07/15)
    Magnetic Phase Transition of the Perovskite-Type Ti Oxides
    Journal of the Physical Society of Japan 69, 1982-1985 (2000).