Dissipation in the superconducting mixed state in the presence of a small oscillatory magnetic-field component
M. P. Risse, M. G. Aikele, S. G. Doettinger, R. P. Huebener, C. C. Tsuei, M. Naito
DOI 10.1103/PhysRevB.55.15191 · Physical Review B
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Abstract
We have studied the electric resistivity in superconducting amorphous Mo3Si films in a perpendicular magnetic field B0+B1 sin ωt with B1≪B0. For B1=0 a resistive voltage only appeared due to flux creep above the critical current Ic. For B1>0 we observed perfectly Ohmic behavior at currents I≪Icn(B1=0), with the resistivity increasing proportional to ω and B1. We present a simplified model discussion explaining our results in terms of the magnetic flux transferred across the sample during each cycle of the oscillatory magnetic field because of the electric transport current.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Mo3Si Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 7.7 | Pressure not reported | onset |
| Nd1.85Ce0.15CuOx Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 24 | Pressure not reported | onset |
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