トポロジカル物質とスピン物性

ワイル半金属

磁性ワイル半金属における磁壁駆動

• "Universal charge and current on magnetic domain walls in Weyl semimetals"
  Yasufumi Araki, Akihide Yoshida, and Kentaro Nomura,
  Phys. Rev. B 94, 115312 (2016) [arXiv:1607.07012]
• "Localized charge in various configurations of magnetic domain wall in a Weyl semimetal"
  Yasufumi Araki, Akihide Yoshida, and Kentaro Nomura,
  Phys. Rev. B 98, 045302 (2018) [arXiv:1805.00383]
• "Charge pumping induced by magnetic texture dynamics in Weyl semimetals"
  Yasufumi Araki and Kentaro Nomura,
  Phys. Rev. Applied 10, 014007 (2018) [arXiv:1711.03135]

磁性ワイル半金属におけるスピン相関

• "Spin textures and spin-wave excitations in doped Dirac-Weyl semimetals"
  Yasufumi Araki and Kentaro Nomura,
  Phys. Rev. B 93, 094438 (2016) [arXiv:1511.08381]

ディラック半金属

格子歪みと輸送現象の関係

• "Strain-induced nonlinear spin Hall effect in topological Dirac semimetal"
  Yasufumi Araki,
  Sci. Rep.8, 15236 (2018).

トポロジカル絶縁体

トポロジカル絶縁体表面におけるスキルミオン

• "Skyrmion-induced anomalous Hall conductivity on topological insulator surfaces"
  Yasufumi Araki and Kentaro Nomura,
  Phys. Rev. B 96, 165303 (2017) [arXiv:1704.05689]

格子ゲージ理論による電子相関の解析

グラフェン

• "Chiral gap and collective excitations in monolayer graphene from strong coupling expansion of lattice gauge theory"
  Yasufumi Araki and Tetsuo Hatsuda,
  Phys. Rev. B 82, 121403 (2010) [arXiv:1003.1769]
• "Chiral symmetry breaking in monolayer graphene by strong coupling expansion of compact and non-compact U(1) lattice gauge theories"
  Yasufumi Araki,
  Ann. Phys. 326, 1408 (2011) [arXiv:1010.0847]
• "Chiral symmetry restoration in monolayer graphene induced by Kekule distortion"
  Yasufumi Araki,
  Phys. Rev. B 84, 113402 (2011) [arXiv:1105.0369]
• "Phase structure of monolayer graphene from effective U(1) gauge theory on honeycomb lattice"
  Yasufumi Araki,
  Phys. Rev. B 85, 125436 (2012) [arXiv:1201.1737]

トポロジカル絶縁体

• "Phase structure of two-dimensional topological insulators by lattice strong-coupling expansion"
  Yasufumi Araki, Taro Kimura,
  Phys. Rev. B 87, 205440 (2013) [arXiv:1303.1255]
• "Strong coupling expansion in a correlated three-dimensional topological insulator"
  Akihiko Sekine, Takashi Z. Nakano, Yasufumi Araki, Kentaro Nomura,
  Phys. Rev. B 87, 165142 (2013) [arXiv:1301.4424]