Control of Andreev Bound States Using Superconducting Phase Texture
Abhishek Banerjee, Max Geier, M. Ahnaf Rahman, Daniel S. Sanchez, Candice Thomas, Tian Wang, Michael J. Manfra, Karsten Flensberg, Charles M. Marcus
DOI 10.1103/PhysRevLett.130.116203 · Physical Review Letters
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Abstract
Andreev bound states with opposite phase-inversion asymmetries are observed in local tunneling spectra at the two ends of a superconductor-semiconductor-superconductor planar Josephson junction in the presence of a perpendicular magnetic field, while the nonlocal spectra remain phase symmetric. Spectral signatures agree with a theoretical model, yielding a physical picture in which phase textures in superconducting leads localize and control the position of Andreev bound states in the junction, demonstrating a simple means of controlling the position and size of Andreev states within a planar junction.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Al Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
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