Publications

8.  "Chiral gauge field in fully- spin-polarized magnetic Weyl semimetal with magnetic domain walls "

Akihiro Ozawa, Yasufumi Araki, and Kentaro Nomura [arXiv: 2403.09535](2024)

  邦題「磁壁を持つスピン分極したワイル半金属におけるカイラルゲージ場」

7. "Effective tight-binding model of compensated ferrimagnetic Weyl semimetal with spontaneous orbital magnetization"  

Tomonari Meguro, Akihiro Ozawa, Koji Kobayashi, and Kentaro Nomura  J. Phys. Soc. Jpn. 93 (3), 034703 (2024)  [ arXiv:2304.14009 (2023)] 

  邦題「自発軌道磁化を有する補償フェリ磁性ワイル半金属の有効強束縛模型」

6. "Effective model analysis for intrinsic spin Hall effect with magnetism in the Stacked Kagome Weyl Semimetal  Co3Sn2S2"

Akihiro Ozawa, Koji Kobayashi, and Kentaro Nomura Phys. Rev. Applied 21, 014041(2024) [arXiv:2305.15144]

邦題「積層カゴメ格子系ワイル半金属 Co3Sn2S2において磁性を考慮した場合のスピンホール効果の有効模型解析」

5. "Intercorrelated anomalous Hall and spin Hall effect in kagome-lattice Co3Sn2S2-based shandite films"

                         Yong-Chang Lau, Junya Ikeda, Kohei Fujiwara, Akihiro Ozawa, 

                          Takeshi Seki, Kentaro Nomura, Atsushi Tsukazaki, Koki Takanashi, Phys. Rev. B 108, 064429 (2023) Editors' suggestion

                          邦題「カゴメ格子Co3Sn2S2シャンダイト薄膜における異常ホール効果とスピンホール効果の相互関係」

                         Collaborative work with experimental group


                    「 東北大、トポロジカル物質の潜在的に優れた特性を理論と実験で実証」  日本経済新聞  東北大学プレスリリース

4. "Enhancement of Spin-Charge Conversion Efficiency for Co3Sn2S2 across Transition from Paramagnetic to Ferromagnetic Phase"

                        Takeshi Seki, Yong-Chang Lau, Junya Ikeda, Kohei Fujiwara, Akihiro Ozawa, 

                        Satoshi Iihama, Kentaro Nomura, Atsushi Tsukazaki, Phys. Rev. Research 5, 013222 (2023) [ arXiv:2208.05394]

                          邦題「Co3Sn2S2における非磁性-強磁性相転移近傍でのスピン電荷変換効率の増大」

                          Collaborative work with experimental group

3. "Magnetic Orderings from Spin–Orbit Coupled Electrons on Kagome Lattice"  Editors' Choice

                           Jin Watanabe, Yasufumi Araki, Koji Kobayashi, Akihiro Ozawa, and Kentaro Nomura J. Phys. Soc. Jpn. 91, 083702 (2022) [arXiv]

                       邦題「カゴメ格子上のスピン軌道結合した電子がもたらす磁気秩序」

                        Pick up for JPS  "Spin-Orbit Coupled Electrons on Kagome Lattice Give Rise to Various Magnetic Orderings"

                        日本物理学会誌「カゴメ格子上のスピン軌道結合した電子が生む多彩な磁気秩序」

2. "Self-consistent analysis of doping effect for magnetic ordering in stacked-kagome Weyl system"

                           Akihiro Ozawa, Kentaro Nomura  Phys. Rev. Materials 6, 024202 (2022) [arXiv]

                           邦題「積層カゴメワイル系における磁気秩序に対するドープ効果の自己無撞着解析」

1. "Two-Orbital Effective Model for Magnetic Weyl Semimetal in Kagome-Lattice Shandite"

                           Akihiro Ozawa, Kentaro Nomura J. Phys. Soc. Jpn. 88, 123703 (2019) [arXiv]

                           邦題「カゴメ格子シャンダイト磁性ワイル半金属の2軌道有効模型」