Quantifying quasiparticle chirality in a chiral topological semimetal
Using spin- and angle-resolved photoemission spectroscopy on the chiral topological semimetal RhSi, researchers directly quantified bulk electronic chirality by measuring spin-momentum locking deviations to define an energy-dependent normalized electron chirality density (NECD) that successfully predicts magneto-optical and transport responses.
Jiaju Wang, Jaime Sánchez-Barriga, Amit Kumar, Markel Pardo-Almanza, Jorge Cardenas-Gamboa, Iñigo Robredo, Chandra Shekhar, Daiyu Geng, Emily C. McFarlane, Martin Trautmann, Enrico Della Valle, Mo (…)2026-03-17🔬 cond-mat.mes-hall