Question: Al has a Debye frequency D = 510 13 s 1 (~1670 cm 1 ) and N(E F )V' = 0.168. Estimate the superconducting gap

Al has a Debye frequency ωD = 5×1013 s−1 (~1670 cm−1) and N(EF)·V' = 0.168. Estimate the superconducting gap 2Δ0.

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