A translationally equivariant and higher-order finite-difference method for Wannier interpolation yields more accurate Wannier centers, position matrices, electric polarization, orbital magnetization, and spin Hall conductivity.
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Ultracold fermionic atoms in a shaken optical honeycomb lattice map the interband Berry connection via polarization-dependent resonant excitations, revealing transparency lines and Dirac strings between K and K' points.
TMD monolayers exhibit an orbital Nernst effect independent of spin-orbit coupling and a spin Nernst effect that scales with it, both tunable by doping and arising from Berry curvatures.
Klein tunneling persists in a gapped Chern-insulator heterostructure due to Dirac mass inversion at the trivial-topological interfaces, producing explicit expressions for temperature-dependent linear and nonlinear conductances.
citing papers explorer
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Accurate calculation of Wannier centers, position matrix, and composite operators using translationally equivariant and higher-order finite differences
A translationally equivariant and higher-order finite-difference method for Wannier interpolation yields more accurate Wannier centers, position matrices, electric polarization, orbital magnetization, and spin Hall conductivity.
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Interband Berry connection measurement in the optical honeycomb lattice
Ultracold fermionic atoms in a shaken optical honeycomb lattice map the interband Berry connection via polarization-dependent resonant excitations, revealing transparency lines and Dirac strings between K and K' points.
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Orbital and Spin Nernst Effects in Monolayers of Transition Metal Dichalcogenides
TMD monolayers exhibit an orbital Nernst effect independent of spin-orbit coupling and a spin Nernst effect that scales with it, both tunable by doping and arising from Berry curvatures.
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Landauer-based study of transport in Chern insulator heterostructures
Klein tunneling persists in a gapped Chern-insulator heterostructure due to Dirac mass inversion at the trivial-topological interfaces, producing explicit expressions for temperature-dependent linear and nonlinear conductances.