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Observation of Majorana fermions in ferromagnetic atomic chains on a superconductor

Author(s): Nadj-Perge, Stevan; Drozdov, Ilya K; Li, Jian; Chen, Hua; Jeon, Sangjun; et al

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dc.contributor.authorNadj-Perge, Stevan-
dc.contributor.authorDrozdov, Ilya K-
dc.contributor.authorLi, Jian-
dc.contributor.authorChen, Hua-
dc.contributor.authorJeon, Sangjun-
dc.contributor.authorSeo, Jungpil-
dc.contributor.authorMacDonald, Allan H-
dc.contributor.authorBernevig, Bogdan A.-
dc.contributor.authorYazdani, Ali-
dc.date.accessioned2019-08-29T17:05:37Z-
dc.date.available2019-08-29T17:05:37Z-
dc.date.issued2014-10-31en_US
dc.identifier.citationNadj-Perge, Stevan, Drozdov, Ilya K, Li, Jian, Chen, Hua, Jeon, Sangjun, Seo, Jungpil, MacDonald, Allan H, Bernevig, B Andrei, Yazdani, Ali. (2014). Observation of Majorana fermions in ferromagnetic atomic chains on a superconductor. SCIENCE, 346 (602 - 607. doi:10.1126/science.1259327en_US
dc.identifier.issn0036-8075-
dc.identifier.urihttp://arks.princeton.edu/ark:/88435/pr1xh9f-
dc.description.abstractMajorana fermions are predicted to localize at the edge of a topological superconductor, a state of matter that can form when a ferromagnetic system is placed in proximity to a conventional superconductor with strong spin-orbit interaction. With the goal of realizing a one-dimensional topological superconductor, we have fabricated ferromagnetic iron (Fe) atomic chains on the surface of superconducting lead (Pb). Using high-resolution spectroscopic imaging techniques, we show that the onset of superconductivity, which gaps the electronic density of states in the bulk of the Fe chains, is accompanied by the appearance of zero-energy end-states. This spatially resolved signature provides strong evidence, corroborated by other observations, for the formation of a topological phase and edge-bound Majorana fermions in our atomic chains.en_US
dc.format.extent602 - 607en_US
dc.language.isoen_USen_US
dc.relation.ispartofSCIENCEen_US
dc.rightsAuthor's manuscripten_US
dc.titleObservation of Majorana fermions in ferromagnetic atomic chains on a superconductoren_US
dc.typeJournal Articleen_US
dc.identifier.doidoi:10.1126/science.1259327-
dc.identifier.eissn1095-9203-
pu.type.symplectichttp://www.symplectic.co.uk/publications/atom-terms/1.0/journal-articleen_US

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