2 papers
cond-mat.mtrl-sci2008
First order metal-insulator transision in band overlap mechanism
Takao Kotani, Rei Sakuma
We present a method to analyze the metal-insulator transition (MIT) due to the band overlap mechanism. It is based on a model with the knowledge of the homogeneous electron gas, co…
cond-mat.str-el2008
First-Principles Study of Correlation Effects in VO2: Peierls vs. Mott-Hubbard
R. Sakuma, T. Miyake, F. Aryasetiawan
We present a study of VO2 in the rutile and monoclinic (M1) phases by means of all-electron full-potential LMTO GW calculation. Full frequency dependence and the off-diagonal matri…