Journal
PHYSICAL REVIEW LETTERS
Volume 110, Issue 21, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.110.217005
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Funding
- Microsoft Project Q
- Danish National Research Foundation
- Carlsberg Foundation
- Villum Foundation
- Lundbeck Foundation
- EU-FP7 project SE2ND [271554]
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The spectrum of a segment of InAs nanowire, confined between two superconducting leads, was measured as function of gate voltage and superconducting phase difference using a third normal-metal tunnel probe. Subgap resonances for odd electron occupancy-interpreted as bound states involving a confined electron and a quasiparticle from the superconducting leads, reminiscent of Yu-Shiba-Rusinov states-evolve into Kondo-related resonances at higher magnetic fields. An additional zero-bias peak of unknown origin is observed to coexist with the quasiparticle bound states.
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