{"schema":"pubphys.bundle/1","record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.revision/1","content_sha256":"e84897f7a6a0fbe7aee8cdee1eb30c64039257aa17fcaeeca7a97ac156b27cde","created":"2026-10-15T23:43:22Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":["ce59fb6cd812fc05906d0c60a71c75ea22bc686bcf38e7c3ef7010834d98ee7b","f53917baf160c99222fe3fc72e7e218a0b5258c442d85b9a68a2f9c25a22e76a"],"salt":"c40963bb7deaf7f5c67531fc835f7f2b135bcef8653da0b74eddd652865448c2","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"revision"},"content":{"answer_type":"yes-no","assisted_by":[],"external_id":"cm.majorana-zero-modes.vortex-majorana","kind":"well-posed","literature_status":"contested","n":"2","parents":[],"plain":"Microscope measurements on the iron-based superconductor FeTe0.55Se0.45 find zero-energy states in some magnetic vortices but not all, and whether they are Majorana modes is debated.","posed_since":"2018","precise":"STM on FeTe_0.55Se_0.45 and related iron-based superconductors with topological surface states shows zero-bias peaks in a fraction of vortex cores. Determine whether these are Majorana zero modes of a topological surface superconductor, accounting for Te/Se disorder, local band inversion and vortex-vortex hybridization. An answer is yes or no, with the observed fraction explained by a quantitative model.","problem_ref":"f53917baf160c99222fe3fc72e7e218a0b5258c442d85b9a68a2f9c25a22e76a","references":"","settled_by":"Spatially resolved measurements linking zero-mode presence to local band inversion, with a conductance plateau at $2e^{2}/h$ on the zero mode.","status_note":"Topological and trivial interpretations coexist as of 2026.","title":"Are vortex-core zero modes in FeTeSe Majorana 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