A strongly correlated electron system that exhibits insulating behavior even when band is unfilled due to Coulomb repulsion between electrons—key physical model for understanding high-temperature superconductivity and quantum phase transitions.
High-temperature superconducting material design, quantum computing, topological insulators, strongly correlated electron devices, novel electronic material development.
Mott transition regulation mechanism, competition with superconducting state, realization in 2D materials, quantum many-body numerical simulation.