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Updated: Jul 30, 2025

Resonance Raman Spectroscopy of Extreme Nanowires and Other 1D Systems
Published on: April 28, 2016
Flux-periodic oscillations in proximitized core-shell nanowires
Kristjan Ottar Klausen1, Anna Sitek2, Sigurdur I Erlingsson1
1Department of Engineering, Reykjavik University, Menntavegur 1, IS-101 Reykjavik, Iceland.
Abstract:
Flux-periodic oscillations of the superconducting gap in proximitized core-shell nanowires are explored. Periodicity of oscillations in the energy spectrum of a cylindrical nanowire is compared with nanowires having hexagonal and square cross-section geometry, along with the effects of Zeeman and Rashba spin-orbit interaction. A transition betweenh/eandh/2eperiodicity is found and shown to be dependent on the chemical potential, with correspondence to degeneracy points of the angular momentum quantum number. For a thin shell of a square nanowire, solelyh/eperiodicity is found in the infinite wire spectrum and shown to result from energy separation between the lowest groups of excited states.
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