Andreev spectroscopy of the triplet-superconductor state in the Bi/Ni bilayer system
Xin Shang, Haiwen Liu, Ke Xia
DOI 10.1103/PhysRevB.101.174514 · Physical Review B
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Abstract
We calculate the Andreev spectroscopy between a ferromagnetic lead and a Bi/Ni bilayer system. The bilayer system is described by the Anderson-Brinkman-Morel (ABM) state and mixing ABM and S-wave states. In both the ABM state and ABM state is mixed with small S-wave state, the Andreev conductance is consistent with that obtained in the point-contact experiment [Zhao et al., arXiv:1810.10403]. Moreover, the conductance peak near zero energy is induced by the surface state of the ABM state. Our work may provide helpful clarification for understanding recent experiments.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Bi/Ni 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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