Journal
EUROPEAN PHYSICAL JOURNAL-SPECIAL TOPICS
Volume 227, Issue 12, Pages 1387-1396Publisher
SPRINGER HEIDELBERG
DOI: 10.1140/epjst/e2018-800101-0
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Funding
- Swedish Research Council (Vetenskapsradet) [621-2014-3721]
- Goran Gustafsson Foundation
- Swedish Foundation for Strategic Research (SSF)
- Knut and Alice Wallenberg Foundation through the Wallenberg Academy Fellows program
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We numerically analyze the effect of finite length of the superconducting regions on the low-energy spectrum, current-phase curves, and critical currents in junctions between trivial and topological superconductors. Such junctions are assumed to arise in nanowires with strong spin-orbit coupling under external magnetic fields and proximity-induced superconductivity. We show that all these quantities exhibit a strong dependence on the length of the topological sector in the topological phase and serve as indicators of the topological phase and thus the emergence of Majorana bound states at the end of the topological superconductor.
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