Meservey-Tedrow-Fulde effect in a quantum dot embedded between metallic and superconducting electrodes
T. Domański, A. Donabidowicz, K. I. Wysokiński
DOI 10.1103/PhysRevB.78.144515 · Physical Review B
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Abstract
Magnetic field applied to the quantum dot coupled between one metallic and one superconducting electrode can produce a similar effect as has been experimentally observed by Meservey et al. [Phys. Rev. Lett. 25, 1270 (1970)] for the planar normal metal-superconductor junctions. We investigate the tunneling current and show that indeed the square-root singularities of differential conductance exhibit the Zeeman splitting near the gap-edge features V=±Δ/e. Since magnetic field affects also the in-gap states of quantum dot, it furthermore imposes a hyperfine structure on the anomalous (subgap) Andreev current which has a crucial importance for a signature of the Kondo resonance.
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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