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The observation of Majorana anyons is a long-sought challenge in physics, but has been hindered by lack of high-quality materials. The authors fabricate a heterostructure with an atomically sharp interface between a quantum anomalous Hall insulator and superconductor, for the first time. This unique quantum material should enable the unambiguous observation of chiral Majorana edge states and braiding of non-Abelian anyons without magnetic field.
Sato et al. (Thu,) studied this question.