期刊
PHYSICAL REVIEW B
卷 86, 期 12, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.86.125423
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资金
- Alexander von Humboldt Foundation
Multimode spinless p-wave superconducting wires with a width W much smaller than the superconducting coherence length xi are known to have multiple low-energy subgap states localized near the wire's ends. Here we compare the typical energies of such endstates for various terminations of the wire: A superconducting wire coupled to a normal-metal stub, a weakly disordered superconductor wire and a wire with smooth confinement. Depending on the termination, we find that the energies of the subgap states can be higher or lower than for the case of a rectangular wire with hard-wall boundaries.
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