Quantum oscillation in vortex states of type-II superconductors
Kazumi Maki
DOI 10.1103/PhysRevB.44.2861 · Physical Review B
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Abstract
We examine theoretically magnetic quantum oscillations like the de Haas–van Alphen and Subnikov–de Haas effects in vortex states in type-II superconductors. For a magnetic field B not very small compared with Hc3(T), the main effect of superconductivity is introduction of the extra quasiparticle scattering rate proportional to ‖Δ‖2, the square of the superconducting order parameter. Therefore the detectability of the magnetic quantum oscillation is determined from the condition that the extra Dingle temperature due to ‖Δ‖2 is not too large. For example in a magnetic field ∼10 T, the superconducting transition temperature Tc has to be less than 30 K in order to have a reasonable signal.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| NbSe2 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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