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MA: Fachverband Magnetismus

MA 16: Topological Insulators (joint session MA/HL)

MA 16.2: Vortrag

Dienstag, 18. März 2025, 14:15–14:30, H16

Spin topology, spin-orbit coupling and entanglement — •Gunnar Felix Lange¹, Wojciech Jankowski² und Robert-Jan Slager^2,3 — 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