Research on electronic states near the Mott transition

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In cuprate high-temperature superconductors near the metal-insulator transition (Mott transition), various anomalous features of electronic states have been observed, which are considered to be intimately related to the mechanism of high-temperature superconductivity. In this study, by a numerical simulation for a two-dimensional system near the Mott transition, primary features of the Mott transition in a two-dimensional system were similarly explained as those of a one-dimensional system. In addition, from the viewpoint of the Mott transition, various anomalous features observed in cuprate high-temperature superconductors were successfully explained in a unified manner.