research

Superconductivity, magnetism, charge order, etc. 

• • Anisotropy of superconducting gap

  • Pairing competition

  • Novel superconductivity  

  • Spin fluctuation, charge fluctuation

  • Magnetic order, charge order

  • Electron correlation

  • Thermo-electronic effect

Band structure

• • First principles calculation (package: WIEN2k, Quantum ESPRESSO)

  • Maximally Localizaed Wannier Orbitals (package: wannier90)

Electron correlation

• • Mean field (MF) approximation 

  • Random phase approximation (RPA) method

  • Fluctuation exchange (FLEX) method

  • Two-particle self-consistent (TPSC) method

Molecular conductor, organic conductor

• • Quasi-one-dimensional molecular conductors: (TMTSF)2X

  • Quasi-two-dimensional molecular conductors: (BEDT-TTF)2X, (BETS)2X, (BDA-TTP)2X, [(S, S)-DMDH-TTP]2X, (EDO-S, S-DMEDT-TTF)2X1+y, (P-S, S-DMEDT-TTF)2X1+y, etc.

Simplified model

• • Quasi-one-dimensional system 

  • Honeycomb lattice