Orbital Chern Insulator and Quantum Phase Diagram of a Kagome Electron System with Half-Filled Flat Bands.
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DOI: 10.1103/physrevlett.126.117602
Abstract: We study the quantum phase diagram of electrons on kagome lattice with half-filled lowest flat bands by considering the antiferromagnetic Heisenberg interaction J, and short-range Coulomb interaction V. In the weak J regime, we identify… read more here.
Keywords: quantum phase; phase diagram; orbital chern; chern insulator ... See more keywords