About IGARASHI Jun-Ichi
About Ibaraki Univ., Ibaraki, JPN
About NAGAO Tatsuya
About Gunma Univ., Gunma, JPN
About Journal of Physics. Condensed Matter
About oxide
About sodium compound
About iridium compound
About collective excitation
About itinerant electron model
About lattice
About Hartree-Fock method
About random phase approximation
About electronic structure
About band structure
About electron-hole pair
About electron transfer
About X-ray spectrum
About honeycomb lattice
About honeycomb lattice
About resonant inelastic X-ray scattering spectrum
About Magnetic properties of oxides
About 集団励起