Demonstration of electrically tunable artificial electrostatic crystals in GaAs 2DEG forming graphene-like and kagome-like bands with an insulating state at kagome half-filling interpreted as loop-current Wigner insulator.
Landau band conductivity in a two-dimensional electron system modulated by an artificial one-dimensional superlattice potential
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Artificial electrostatic crystals: a new platform for creating correlated quantum states
Demonstration of electrically tunable artificial electrostatic crystals in GaAs 2DEG forming graphene-like and kagome-like bands with an insulating state at kagome half-filling interpreted as loop-current Wigner insulator.