花栗哲郎は固体物理学の実験研究を行っています。

研究対象

• 超伝導
  • Scanning tunneling microscopy/spectroscopy of vortices in LiFeAs
  • Unconventional s-Wave Superconductivity in Fe(Se,Te) (英語ページから無料でダウンロードできます。）
  • Coherence factors in a high-T_c cuprate probed by quasi-particle scattering off vortices (英語ページから無料でダウンロードできます。）
  • Quasiparticle interference and superconducting gap in Ca_2-xNa_xCuO₂Cl₂
  • A 'checkerboard' electronic crystal state in lightly hole-doped Ca_2-xNa_xCuO₂Cl₂
  • Reduction of the superfluid density in the vortex-liquid phase of Bi₂Sr₂CaCu₂O_y
  • Local density fluctuations of moving vortices in the solid and liquid phases in Bi₂Sr₂CaCu₂O_y

• トポロジカル絶縁体
  • Imaging the two-component nature of Dirac-Landau levels in the topological surface state of Bi₂Se₃
  • Momentum-Resolved Landau-Level Spectroscopy of Dirac Surface State in Bi₂Se₃

• 強相関電子系
  • Local tunneling spectroscopy across a metamagnetic critical point in the bilayer ruthenate Sr₃Ru₂O₇
  • Evolution of local electronic states from a metal to a correlated insulator in a NiS_2-xSe_x solid solution

• 計測技術
  • Development of high-field STM and its application to the study on magnetically-tuned criticality in Sr₃Ru₂O₇
  • An instrument for low- and variable-temperature millimeter-wave surface impedance measurements under magnetic fields

• 創発の物理
  • ...。

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