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Explore the fascinating world of spin and orbital Hall effects in two-dimensional topological materials through this comprehensive lecture. Delve into high-throughput calculations of spin (SHC) and orbital (OHC) Hall conductivities across hundreds of 2D materials, uncovering the intricate relationship between these Hall effects and topological properties. Examine the OHC plateau observed within the insulating gap of 2D transition metal dichalcogenides (TMDs), characterized as higher-order topological insulators (HOTIs) using a Z4 topological invariant. Discover how general symmetry principles establish a connection between these phenomena, highlighting potential applications in spin-orbitronics. Gain a broader perspective by analyzing SHC and OHC data compiled from an extensive 2D materials database, enhancing your understanding of these cutting-edge concepts in condensed matter physics.
