Abstract
Comparison of the measured microwave response in the presence of a dc current in narrow films of tin nearT c with the results from microscopic theory shows good agreement. Nonequilibrium effects become important when the frequency ω becomes of the order of the inverse inelastic relaxation time τ −1 E ≈(k B T 3 c /ℏν 2D ) (νD is the Debye temperature) even if ω remains well below the gap frequency Δ0(T)/ℏ.
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Ritger, A.J., Meissner, H., Rangel, R. et al. Nonequilibrium contributions to the electric response of dirty superconductors. J Low Temp Phys 73, 221–227 (1988). https://doi.org/10.1007/BF00681978
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DOI: https://doi.org/10.1007/BF00681978