Stabilization and control of Majorana bound states with elongated skyrmions

Güngördü, Utkan; Sandhoefner, Shane; Kovalev, Alexey A.

doi:10.1103/PhysRevB.97.115136

Title: Stabilization and control of Majorana bound states with elongated skyrmions

Journal Article · Fri Mar 16 00:00:00 EDT 2018 · Physical Review B

DOI:https://doi.org/10.1103/PhysRevB.97.115136· OSTI ID:1426480

Güngördü, Utkan ^[1]; Sandhoefner, Shane ^[1]; Kovalev, Alexey A. ^[1]

Univ. of Nebraska, Lincoln, NE (United States). Dept. of Physics and Astronomy and Nebraska Center for Materials and Nanoscience

We show that elongated magnetic skyrmions can host Majorana bound states in a proximity-coupled two-dimensional electron gas sandwiched between a chiral magnet and an s-wave superconductor. Our proposal requires stable skyrmions with unit topological charge, which can be realized in a wide range of multilayer magnets, and it allows quantum information transfer by using standard methods in spintronics via skyrmion motion. Finally, we also show how braiding operations can be realized in our proposal.

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Research Organization:: Univ. of Nebraska, Lincoln, NE (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES)

Grant/Contract Number:: SC0014189

OSTI ID:: 1426480

Alternate ID(s):: OSTI ID: 1426513

Journal Information:: Physical Review B, Vol. 97, Issue 11; ISSN 2469-9950

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 24 works

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