Research paperTheoreticalComputed Band StructureOther ComputationalEnhanced valley polarization of graphene on hBN under circularly polarized light irradiationKeisuke Nakagahara, Katsunori Wakabayashi2022·10.1103/PhysRevB.106.075403·arXiv:2207.14399AbstractWe numerically calculate the optical conductivity of graphene on hBN under circularly polarized light irradiation using an effective continuum model. The broken spatial inversion symmetry of graphene/hBN induces valley polarization, which is strongest in the infrared and terahertz regions near zero twist angle for the non-doped case, while remaining comparatively insensitive to twist angle for the hole-doped case.Read more
Graphene on hBN (G/hBN) heterostructure modeled with a twist angle-dependent moiré superlattice.2 propertiesSimulatedCStudied MaterialhBNStudied MaterialExpand
Research paperTheoreticalComputed Band StructureOther ComputationalEnhanced valley polarization of graphene on hBN under circularly polarized light irradiationKeisuke Nakagahara, Katsunori Wakabayashi2022·10.1103/PhysRevB.106.075403·arXiv:2207.14399AbstractWe numerically calculate the optical conductivity of graphene on hBN under circularly polarized light irradiation using an effective continuum model. The broken spatial inversion symmetry of graphene/hBN induces valley polarization, which is strongest in the infrared and terahertz regions near zero twist angle for the non-doped case, while remaining comparatively insensitive to twist angle for the hole-doped case.Read more
Graphene on hBN (G/hBN) heterostructure modeled with a twist angle-dependent moiré superlattice.2 propertiesSimulatedCStudied MaterialhBNStudied MaterialExpand
Research paperTheoreticalComputed Band StructureOther ComputationalEnhanced valley polarization of graphene on hBN under circularly polarized light irradiationKeisuke Nakagahara, Katsunori Wakabayashi2022·10.1103/PhysRevB.106.075403·arXiv:2207.14399AbstractWe numerically calculate the optical conductivity of graphene on hBN under circularly polarized light irradiation using an effective continuum model. The broken spatial inversion symmetry of graphene/hBN induces valley polarization, which is strongest in the infrared and terahertz regions near zero twist angle for the non-doped case, while remaining comparatively insensitive to twist angle for the hole-doped case.Read more
Graphene on hBN (G/hBN) heterostructure modeled with a twist angle-dependent moiré superlattice.2 propertiesSimulatedCStudied MaterialhBNStudied MaterialExpand
Research paperTheoreticalComputed Band StructureOther ComputationalEnhanced valley polarization of graphene on hBN under circularly polarized light irradiationKeisuke Nakagahara, Katsunori Wakabayashi2022·10.1103/PhysRevB.106.075403·arXiv:2207.14399AbstractWe numerically calculate the optical conductivity of graphene on hBN under circularly polarized light irradiation using an effective continuum model. The broken spatial inversion symmetry of graphene/hBN induces valley polarization, which is strongest in the infrared and terahertz regions near zero twist angle for the non-doped case, while remaining comparatively insensitive to twist angle for the hole-doped case.Read more
Graphene on hBN (G/hBN) heterostructure modeled with a twist angle-dependent moiré superlattice.2 propertiesSimulatedCStudied MaterialhBNStudied MaterialExpand