Search for large topological gaps in atomic spin chains on proximitized superconducting heavy-metal layers

Abstract One-dimensional systems comprising s-wave superconductivity with meticulously tuned magnetism realize topological superconductors hosting Majorana modes whose stability is determined by the gap size. However, for atomic spin chains on superconductors, the effect of the substrate’s spin-orbi...

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Bibliographic Details
Main Authors: Philip Beck, Bendegúz Nyári, Lucas Schneider, Levente Rózsa, András Lászlóffy, Krisztián Palotás, László Szunyogh, Balázs Ujfalussy, Jens Wiebe, Roland Wiesendanger
Format: Article
Language:English
Published: Nature Portfolio 2023-04-01
Series:Communications Physics
Online Access:https://doi.org/10.1038/s42005-023-01196-y