International conference
Oral presentation
K. Nakazawa, H. F. Legg, R. M. A. Dantas, J. Klinovaja, and D. Loss, "Theory of the nonlinear Shubnikov-de Haas effect," 30th International Conference on Low Temperature Physics (LT30), Bilbao, Spain, August 2022.
K. Nakazawa, H. F. Legg, J. Klinovaja, and D. Loss, "Interband effect to nonlinear charge response in semiconductor nanostructures," APS Global Physics Summit, Anaheim, USA, March 2025.
K. Nakazawa, H. F. Legg, J. Klinovaja, and D. Loss, "Interband effect of second-order charge response to electric field in semiconductor nanostructures," Quantum Designer Physics 2024 (QDP2024), San Sebastian, Spain, July 2024.
K. Nakazawa, K. Hoshi, J. J. Nakane, J. Ohe, and H. Kohno, "Topological Spin Hall Effect in Antiferromagnets Driven by Vector Néel Chirality," International Conference on Magnetism 2024 (ICM2024), Bologna, Italy, July 2024.
(Invited) Kazuki Nakazawa, “Nonlinear transport properties in semiconductor nanostructures and chiral tellurium”, New Perspectives in Spintronics and Quantum transport 2024, Kanazawa, Japan, June 2024.
K. Nakazawa, Y. Kato, and Y. Motome, “Layer number dependence of topological properties in thin films of a ferromagnetic Weyl semimetal Co-based shandite,” International Conference on Strongly Correlated Electron Systems 2023 (SCES2023), Incheon, Korea, July 2023.
K. Nakazawa, Y. Kato, and Y. Motome, “Layer number dependence of topological properties in atomically thin films of a ferromagnetic Weyl semimetal Co-based shandite,” APS March meeting, Las Vegas, Nevada, USA, March 2023.
K. Nakazawa, Y. Kato, and Y. Motome, “Thermal transport in the Kitaev spin liquid under a staggered magnetic field,” APS March meeting, Chicago, Illinois, USA, March 2022.
K. Nakazawa, M. Bibes, and H. Kohno, “Topological Hall effect in weak coupling regime,” APS March Meeting 2018, Los Angeles, California, USA, March 2018.
K. Nakazawa, M. Bibes, and H. Kohno, “Topological Hall effect from strong to weak coupling,” IGER International Symposium on Science of Molecular Assembly and Biomolecular Systems 2017, Nagoya, Japan, December 2017.
K. Nakazawa and H. Kohno, “Chirality-induced anomalous Hall effect: Bridging a gap between weak and strong coupling regime,” APS March Meeting 2017, New Orleans, Louisiana, USA, March 2017.
K. Nakazawa and H. Kohno, “Chirality-induced anomalous Hall effect: Bridging a gap between weak and strong coupling regime,” IGER International Symposium on Science of Molecular Assembly and Biomolecular Systems 2016, Nagoya, Japan, September 2016.
K. Nakazawa and H. Kohno, “Anomalous Hall effect and persistent current due to spin chirality in a diffusive regime,” APS March Meeting 2015, San Antonio, Texas, USA, March 2015.
Poster presentation
K. Nakazawa, T. Yamaguchi, and A. Yamakage, "Nonlinear thermoelectric transport properties induced by orbital magnetic moment in B20 compound CoSi," Spin Caloritronics Workshop, Leeds, UK, July 2025.
K. Nakazawa, T. Yamaguchi, and A. Yamakage, "Nonlinear thermo-electric properties in chiral tellurium," ICT/ACT2025, Sendai, Japan, June 2025. Materials Today Physics Outstanding Poster Award
K. Nakazawa, H. F. Legg, J. Klinovaja, and D. Loss, "Interband effect to nonlinear charge response in semiconductor nanostructures," CEMS Symposium on Quantum Information and Spintronics 2024, Tokyo, Japan, December 2024.
K. Nakazawa, T. Yamaguchi, and A. Yamakage, "Nonlinear chiral transport properties in cobalt monosilicide," 12th CEMS Research Camp, Ogose, Japan, November 2024.
K. Nakazawa, H. F. Legg, J. Klinovaja, and D. Loss, "Interband effect of second-order charge response to electric field in semiconductor nanostructures," Quantum Designer Physics 2024, San Sebastian, Spain, July 2024.
K. Nakazawa, H. F. Legg, J. Klinovaja, and D. Loss, “Interband effect of second-order charge response to electric field in semiconductor nanostructures,” Swiss-Japanese Quantum Symposium 2024, Tokyo, Japan, June 2024.
K. Nakazawa, T. Yamaguchi, and A. Yamakage, "Nonlinear transport properties in chiral Te," CEMS Symposium on Emergent Quantum Materials 2024 (EQM2024), Tokyo, Japan, February 2024.
K. Nakazawa, Y. Kato, and Y. Motome, “Asymmetric modulation of the Majorana excitation spectra and nonreciprocal thermal transport in the Kitaev spin liquid under a staggered magnetic field,” 29th International Conference on Low Temperature Physics (LT29), Sapporo, Japan, August 2022.
K. Nakazawa, Y. Kato, and Y. Motome, “Thermal transport in the Kitaev spin liquid under a staggered magnetic field,” International Conference on Quantum Liquid Crystals 2021 (QLC2021), Online, May 2021.
K. Nakazawa and H. Kohno, “Topological Hall effect: Bridging a gap between strong and weak coupling regime,” SPICE Workshop: Topology Matters, Mainz, Germany, July 2017.
K. Nakazawa and H. Kohno, “Chirality driven anomalous Hall effect: Bridging a gap between strong and weak coupling regime,” SpinTech IX, Fukuoka, Japan, June 2017.
K. Nakazawa and H. Kohno, “Anomalous Hall effect in magnetic skyrmion lattice,” Toyota RIKEN International Workshop 2015, Strongly Correlated Electron Systems: Open Space between Heavy Fermions and Quasi-crystals, Nagoya, Japan, November 2015.
K. Nakazawa and H. Kohno, “Anomalous Hall effect and persistent current due to spin chirality in a diffusive regime,” SpinTech VIII, Basel, Switzerland, August 2015.
K. Nakazawa and H. Kohno, “Anomalous Hall effect and persistent current due to spin chirality in a diffusive regime,” New Perspectives in Spintronics and Mesoscopic Physics (NPSMP2015), Kashiwa, Japan, June 2015.
K. Nakazawa and H. Kohno, “Anomalous Hall effect and persistent current due to spin chirality in a diffusive regime,” The IGER Symposium on Science of Molecular Assembly and Biomolecular Systems 2015: Spins in action, Nagoya, Japan, March 2015.
K. Nakazawa and H. Kohno, “Effect of Vertex Corrections on the Chirality-Driven Anomalous Hall Effect,” The IGER Symposium on Science of Molecular Assembly and Biomolecular Systems 2014, Nagoya, Japan, March 2014.
Domestic conference
Oral presentation
K. Nakazawa, H. F. Legg, J. Klinovaja, and D. Loss, “Interband contributions to nonlinear transport in semiconductor nanostructures,” JPS 79th Annual Meeting, Hokkaido University, September 2024.
K. Nakazawa, T. Yamaguchi, and A. Yamakage, "Nonlinear transport properties in B20-type compound CoSi," JPS 2024 Spring Meeting, Online, March 2023.
K. Nakazawa, T. Yamaguchi, and A. Yamakage, "Nonlinear transport properties in chiral Te," JPS 2024 Spring Meeting, Online, March 2023.
K. Nakazawa, Y. Kato, and Y. Motome, “Topological transitions by magnetization rotation in kagome monolayers of a ferromagnetic Weyl semimetal Co shandite”, JPS 78th Annual Meeting, Tohoku University, September 2023.
K. Nakazawa, K. Hoshi, J. J. Nakane, J. Ohe, and H. Kohno, “Topological spin Hall effect induced by vector Néel chirality”, JPS 2022 Autumn Meeting, Tokyo Institute of Technology, September 2022.
K. Nakazawa, Y. Kato, and Y. Motome, “Layer number dependence of topological properties in atomically thin films of a ferromagnetic Weyl semimetal Co shandite”, JPS 2022 Autumn Meeting, Tokyo Institute of Technology, September 2022.
K. Nakazawa, Y. Kato, and Y. Motome, “Magnetization-direction dependence of the Weyl state in atomically thin films of a ferromagnetic Weyl semimetal Co shandite”, JPS 2022 Autumn Meeting, Tokyo Institute of Technology, September 2022.
K. Nakazawa, Y. Kato, and Y. Motome, “Theoretical analysis of the anomalous Hall effect in atomically thin films of a ferromagnetic Weyl semimetal Co3Sn2S2”, JPS 77th Annual Meeting, Online, March 2022.
K. Nakazawa, Y. Kato, and Y. Motome, “Ab initio calculation of thin films of a ferromagnetic Weyl semimetal Co3Sn2S2: structural optimization and effective model analysis”, JPS 2021 Autumn Meeting, Online, September 2021.
(Invited) Kazuki Nakazawa, “Asymmetric Majorana excitation spectra and nonreciprocal thermal transport in the Kitaev spin liquid under the staggered magnetic field”, JSPS KAKENHI (A) Workshop: New Developments in Kitaev Quantum Spin Liquid Research ~Toward the Realization of Topological Quantum Computation by Creating and Controlling Majorana Excitations~, Online, August 2021.
K. Nakazawa, Y. Kato, and Y. Motome, “Thermal transport in the Kitaev spin liquid under the staggered field”, JPS 76th Annual Meeting, Online, March 2021.
K. Nakazawa, J. J. Nakane, and H. Kohno, “Topological spin Hall effect in antiferromagnet: strong to weak coupling”, JPS 74th Annual Meeting, Kyusyu University, March 2019.
K. Nakazawa and H. Kohno, “Topological Hall effect in the weak coupling regime”, JPS 2017 Autumn Meeting, Iwate University, September 2017.
K. Nakazawa and H. Kohno, “Theory of charge and spin transport in systems with effective field due to magnetic texture”, JPS 71st Annual Meeting, Tohoku Gakuin University, March 2016.
K. Nakazawa and H. Kohno, “Persistent current induced by spin chirality in the diffusive regime”, JPS 2014 Autumn Meeting, Chubu University, September 2014.
Poster presentation
K. Nakazawa, K. Hoshi, J. J. Nakane, J. Ohe, and H. Kohno, “Topological spin Hall effect induced by vector Néel chirality”, ISSP Workshop “New Developments in Chiral Material Science”, Kashiwa, December 2022.
K. Nakazawa, J. J. Nakane, and H. Kohno, “Vector chirality interpretation of the topological spin Hall effect”, JPS 2020 Autumn Meeting, Online, September 2020.
K. Nakazawa, “Weak coupling theory of the topological spin Hall effect in ferromagnetic metal”, JPS 75th Annual Meeting, Nagoya University, March 2020.
K. Nakazawa, J. J. Nakane, and H. Kohno, “Spin Hall effect in antiferromagnetic magnetic structure II”, JPS 2018 Autumn Meeting, Doshisha University, September 2018.
K. Nakazawa, J. J. Nakane, and H. Kohno, “Spin Hall effect in antiferromagnetic magnetic structure”, JPS 73rd Annual Meeting, Tokyo University of Science, March 2018.
K. Nakazawa and H. Kohno, “Anomalous Hall effect due to spin chirality: bridging a gap between weak and strong coupling”, JPS 2016 Autumn Meeting, Kanazawa University, September 2016.
K. Nakazawa and H. Kohno, “Anomalous Hall effect in magnetic skyrmion lattice”, JPS 70th Annual Meeting, Waseda University, March 2015.
K. Nakazawa and H. Kohno, “Effect of vertex correction on the chirality-driven anomalous Hall effect”, JPS 69th Annual Meeting, Tokai University, March 2014.