In 2D materials with inverted bands and Mexican-hat dispersion, extrinsic skew-scattering spin Hall current exceeds intrinsic Berry-curvature SHC and displays non-monotonic Fermi-energy dependence with possible sign change.
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Real-time TDDFT simulations demonstrate that the gauge-field term in the SOC Hamiltonian governs symmetry breaking and produces dynamical spin states in systems possessing mirror, glide, or screw-rotational symmetry under external fields.
citing papers explorer
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Spin Hall effect in two-dimensional materials with inverted bands and Mexican-hat dispersion
In 2D materials with inverted bands and Mexican-hat dispersion, extrinsic skew-scattering spin Hall current exceeds intrinsic Berry-curvature SHC and displays non-monotonic Fermi-energy dependence with possible sign change.
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Gauge-Field-Mediated Symmetry Breaking of Matters Under Electromagnetic Fields and Its Impact on Spin Dynamics
Real-time TDDFT simulations demonstrate that the gauge-field term in the SOC Hamiltonian governs symmetry breaking and produces dynamical spin states in systems possessing mirror, glide, or screw-rotational symmetry under external fields.