小林 浩二(物理学者)
KOBAYASHI, Koji (condensed matter theory)

Publication List

  statistics (by Google Scholar)

  1. Backsolution: A Framework for Solving Inverse Problems via Automatic Differentiation

    K. Kobayashi and T. Ohtsuki
    arXiv:2506.13210
  2. Topological spin-orbit torque in ferrimagnetic Weyl semimetal

    Tomonari Meguro, Akihiro Ozawa, Koji Kobayashi, Yasufumi Araki, and Kentaro Nomura
    Phys. Rev. Res. 7, L022065
  3. Giant antisymmetric magnetoresistance arising across optically controlled domain walls in the magnetic Weyl semimetal Co3Sn2S2

    Kohei Fujiwara, Kazuma Ogawa, Naotaka Yoshikawa, Koji Kobayashi, Kentaro Nomura, Ryo Shimano, and Atsushi Tsukazaki
    Commun. Mater. 5, 239
  4. Interactions between atomic-scale skyrmions in 2D chiral magnets

    Mai Kameda, Koji Kobayashi, and Yuki Kawaguchi
    arXiv:2311.17310
  5. 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, 034703 (2024)
    DOI: 10.7566/JPSJ.93.034703
  6. Effective model analysis of intrinsic spin Hall effect with magnetism in stacked-kagome Weyl semimetal Co3Sn2S2

    Akihiro Ozawa, Koji Kobayashi, and Kentaro Nomura
    Phys. Rev. Applied 21, 014041 (2024)
    DOI: 10.1103/PhysRevApplied.21.014041
  7. Magnetic orderings from spin-orbit coupled electrons on kagome lattice

    Jin Watanabe, Yasufumi Araki, Koji Kobayashi, Akihiro Ozawa, and Kentaro Nomura
    J. Phys. Soc. Jpn. 91, 083702 (2022)
    Editors' Choice, JPS Hot Topics
  8. Wannier-based implementation of the coherent potential approximation with applications to Fe-based transition metal alloys

    Naohiro Ito, Takuya Nomoto, Koji Kobayashi, Sergey Mankovsky, Kentaro Nomura, Ryotaro Arita, Hubert Ebert, and Takashi Koretsune
    Phys. Rev. B 105, 125136 (2022)
    DOI: 10.1103/PhysRevB.105.125136
  9. Intrinsic and extrinsic anomalous Hall effects in disordered magnetic Weyl semimetal

    Koji Kobayashi and K. Nomura
    J. Phys. Soc. Jpn. 91, 013703 (2022)
    DOI: 10.7566/JPSJ.91.013703
  10. Quantum Hall effect induced by chiral Landau levels in topological semimetal films

    D.-H.-Minh Nguyen, Koji Kobayashi, Jan-Erik R. Wichmann, and Kentaro Nomura
    Phys. Rev. B 104, 045302 (2021)
    DOI: 10.1103/PhysRevB.104.045302
  11. Ferromagnetic-electrodes-induced Hall effect in topological Dirac semimetals

    K. Kobayashi and K. Nomura
    Phys. Rev. Res. 3, 033023 (2021)
    DOI: 10.1103/PhysRevResearch.3.033023
  12. Ballistic transport in disordered Dirac and Weyl semimetals

    K. Kobayashi, M. Wada, and T. Ohtsuki
    Phys. Rev. Res. 2, 022061(R) (2020)
    DOI: 10.1103/PhysRevResearch.2.022061
  13. Robust magnetotransport in disordered ferromagnetic kagome layers with quantum anomalous Hall effect

    K. Kobayashi, M. Takagaki, and K. Nomura
    Phys. Rev. B 100, 161301(R) (2019)
    DOI: 10.1103/PhysRevB.100.161301
  14. Topological Matter in the Absence of Translational Invariance

    Koji Kobayashi, Tomi Ohtsuki, Ken‐Ichiro Imura
    "Advanced Topological Insulators" (Scrivener Publishing), Chapter 4, pp. 109-157 (2019)
    ISBN: 9781119407317, DOI: 10.1002/9781119407317
  15. Helicity-protected domain-wall magnetoresistance in ferromagnetic Weyl semimetal

    K. Kobayashi,Y. Ominato, K. Nomura
    J. Phys. Soc. Jpn. 87, 073707 (2018)
    DOI: 10.7566/JPSJ.87.073707
  16. Anisotropic magnetotransport in Dirac-Weyl magnetic junctions

    Y. Ominato, K. Kobayashi, K. Nomura
    Phys. Rev. B 95, 085308 (2017)
    DOI: 10.1103/PhysRevB.95.085308
  17. Comparative study of Weyl semimetal, topological and Chern insulators: thin-film point of view

    Y. Yoshimura, W. Onishi, K. Kobayashi, T. Ohtsuki, K.-I. Imura
    Phys. Rev. B 94, 235414 (2016)
    DOI: 10.1103/PhysRevB.94.235414
  18. Dimensional crossover of transport characteristics in topological insulator nanofilms

    K. Kobayashi, Y. Yoshimura, K.-I. Imura, T. Ohtsuki
    Phys. Rev. B 92, 235407 (2015)
    DOI: 10.1103/PhysRevB.92.235407
    Cited by: 7 (2023.12.13 Google Citations), 14 (2023.12.13 Web of Science)
  19. Engineering Dirac electrons emergent on the surface of a topological insulator

    Y. Yoshimura, K. Kobayashi, T. Ohtsuki, K.-I. Imura
    Sci. Technol. Adv. Mater. 16, 014403 (2015)
    DOI: 10.1088/1468-6996/16/1/014403
  20. Modification and Control of Topological Insulator Surface States Using Surface Disorder

    V. Sacksteder, T. Ohtsuki, K. Kobayashi
    Phys. Rev. Applied 3, 064006 (2015)
    DOI: 10.1103/PhysRevApplied.3.064006
    Cited by: 33 (2023.12.13 Google Citations), 25 (2023.12.13 Web of Science)
    Editor's suggestion
  21. Density of States Scaling at the Semimetal to Metal Transition in Three Dimensional Topological Insulators

    K. Kobayashi, T. Ohtsuki, K.-I. Imura, I. F. Herbut
    Phys. Rev. Lett. 112, 016402 (2014)
    DOI: 10.1103/PhysRevLett.112.016402
    Cited by: 183 (2023.12.13 Google Citations), 142 (2023.12.13 Web of Science)
    Highly cited article (Web of Science 2015)
  22. Disordered strong and weak topological insulators

    K. Kobayashi, T. Ohtsuki, K.-I. Imura
    Phys. Rev. Lett. 110, 236803 (2013)
    DOI: 10.1103/PhysRevLett.110.236803
    Cited by: 131 (2023.12.13 Google Citations), 93 (2023.12.13 Web of Science)
  23. Critical exponent for the quantum spin Hall transition in Z2 network model

    K. Kobayashi, T. Ohtsuki, K. Slevin
    International Journal of Modern Physics: Conference Series 11 (2012) 114-119
    DOI: 10.1142/S2010194512005995
  24. Universality classes and the Anderson transition in two dimensions

    T. Ohtsuki, K. Kobayashi, and K. Slevin
    Soryushiron kenkyu 10 (2011)
    Cited by: 4 (2023.12.13 Google Citations)
  25. Conductance distributions in disordered quantum spin-Hall systems

    K. Kobayashi, T. Ohtsuki, H. Obuse, K. Slevin
    Phys. Rev. B (2010) 165301
    DOI: 10.1103/PhysRevB.82.165301
    Cited by: 14 (2023.12.13 Google Citations), 9 (2023.12.13 Web of Science)
  26. Point-Contact Conductance in Asymmetric Chalker-Coddington Network Model

    K. Kobayashi, T. Ohtsuki, K. Slevin
    J. Phys. Soc. Jpn. 78 (2009) 084708
    DOI: 10.1143/JPSJ.78.084708
    Cited by: 7 (2023.12.13 Google Citations), 6 (2023.12.13 Web of Science)
  27. Transport properties in network models with perfectly conducting channels

    K. Kobayashi, K. Hirose, H. Obuse, T. Ohtsuki, K. Slevin
    J. Phys.: Conf. Ser. 150 (2009) 022041
    DOI: 10.1088/1742-6596/150/2/022041
    Cited by: 5 (2023.12.13 Google Citations)