Characteristic Features of Electronic States in High-Tc Superconducting Oxides
By use of a model of highly correlated electron system, the electronic structure of the sueprconducting oxides is theoretically studied. It is shown that if holes are doped in an insulating sample, a new narrow energy band grows up inside the charge transfer gap and develops to a metallic band. The formation of the new band is quite suitable for explaining various anomalous properties of the oxides in the normal state.
KeywordsFermi Level Optical Conductivity Charge Fluctuation Charge Transfer Interaction Correlate Electron System
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