Effect of spin-triplet correlations on Josephson transport in atomically thin superconductor/half-metal/superconductor structures
Zh. Devizorova, S. Mironov, A. I. Buzdin
DOI 10.1103/PhysRevB.103.224510 · Physical Review B
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Abstract
We study the effect of the triplet proximity effect on Josephson transport in superconductor/half-metal/superconductor structures of atomic thickness beyond the quasiclassical approximation. Using the combination of microscopic Gor′kov formalism and tight-binding model we show that the full spin polarization inside the half-metal give rise to nonmonotonic temperature dependence of the critical current in S/HM/S Josephson junction with two spin active S/HM interfaces. We also calculate the magnetic moment inside the S2 layer in S1/HM/S2 structure with spin-active S1/HM interface, which is induced by the spin-triplet superconducting correlations. Finally, we analyze the second-harmonic generation in S1/HM/S2 structure with one spin-active interface.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| YBCO 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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