SKM 2021 – scientific programme

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KFM: Fachverband Kristalline Festkörper und deren Mikrostruktur

KFM 13: Topological Insulators and Semimetals (joint session TT/KFM)

KFM 13.1: Talk

Friday, October 1, 2021, 10:00–10:15, H7

Wave-particle duality of electrons with spin-momentum locking — •Dario Bercioux^1,2, Tineke van den Berg¹, Dario Ferrero^3,4,5, Jerome Rech⁴, Thibaut Jonckheere⁴, and Thierry Martin⁴ — ¹Donostia International Physics Center (DIPC), Manuel de Lardizbal 4, E-20018 San Sebastián, Spain — ²IKERBASQUE, Basque Foundation of Science, 48011 Bilbao, Basque Country, Spain — ³Aix Marseille Univ, Université de Toulon, CNRS, CPT, Marseille, France — ⁴Dipartimento di Fisica, Università di Genova, Via Dodecaneso 33, 16146, Genova, Italy — ⁵SPIN-CNR, Via Dodecaneso 33, 16146 Genova, Italy

We investigate the effects of spin-momentum locking on the interference and diffraction pattern of electrons in a double- or single-slit Gedankenexperiment. We show that the inclusion of the spin degree-of-freedom when coupled to the carrier’s motion direction — a typical situation occurring in systems with spin-orbit interaction — leads to modify the interference and diffraction patterns depending on the geometrical parameters system.
[1] Bercioux et al., Eur. Phys. J. Plus 135, 811 (2020)