Regensburg 2025 – scientific programme
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HL: Fachverband Halbleiterphysik
HL 28: Topological Insulators (joint session MA/HL)
HL 28.2: Talk
Tuesday, March 18, 2025, 14:15–14:30, H16
Spin topology, spin-orbit coupling and entanglement — •Gunnar Felix Lange1, Wojciech Jankowski2 und Robert-Jan Slager2,3 — 1Department of Physics, University of Oslo, Norway — 2TCM Group, Cavendish Laboratory, University of Cambridge, UK — 3Theoretical Physics Group, University of Manchester, UK
Topological systems with time-reversal symmetry are of great theoretical and practical interest. Theoretically, such phases often rely on studying the topology in each spin sector separately, as in the spin Hall effect.
This requires identifying the spin degree of freedom in the band structure, which is not always straightforward in the presence of spin-orbit coupling. This field has received renewed interest in recent years, leading to the concept of spin topology.
In this talk, we will discuss some recent results on spin topological phases, with a particular focus on spin-orbit coupling and its interplay with entanglement.
Keywords: Quantum spin Hall; Topology; Spin-orbit coupling; Entanglement