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Probing chiral edge states in topological superconductors through spin-polarized local density of state measurements
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Materials Theory. Univ Copenhagen, Niels Bohr Inst, Juliane Maries Vej 30, DK-2100 Copenhagen, Denmark..
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Materials Theory.
2018 (English)In: Physical Review B, ISSN 2469-9950, E-ISSN 2469-9969, Vol. 97, no 14, article id 140504Article in journal (Refereed) Published
Abstract [en]

We show that spin-polarized local density of states (LDOS) measurements can uniquely determine the chiral nature of topologically protected edge states surrounding a ferromagnetic island embedded in a conventional superconductor with spin-orbit coupling. The spin-polarized LDOS show a strong spin polarization directly tied to the normal direction of the edge with opposite polarizations on opposite sides of the island and with a distinct oscillatory pattern in energy.

Place, publisher, year, edition, pages
AMER PHYSICAL SOC , 2018. Vol. 97, no 14, article id 140504
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:uu:diva-352485DOI: 10.1103/PhysRevB.97.140504ISI: 000429454900002OAI: oai:DiVA.org:uu-352485DiVA, id: diva2:1215306
Funder
Swedish Research CouncilKnut and Alice Wallenberg FoundationSwedish Foundation for Strategic Research Göran Gustafsson Foundation for Research in Natural Sciences and MedicineAvailable from: 2018-06-08 Created: 2018-06-08 Last updated: 2018-06-08Bibliographically approved

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Björnson, KristoferBlack-Schaffer, Annica M.

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