Superconductivity - A Teachers' Guide


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John Bardeen and the Theory of Superconductivity

by Lillian Hoddeson (1)

Every theory of superconductivity can be disproved! This tongue-in-cheek theorem struck a chord when Felix Bloch announced it in the early 1930s. Virtually every major physicist then working on theory — including, besides Bloch, Niels Bohr, Wolfgang Pauli, Werner Heisenberg, Lev Landau, Leon Brillouin, W. Elsasser, Yakov Frenkel, and Ralph Kronig — had tried and failed to explain the mysterious phenomenon in which below a few degrees Kelvin certain metals and alloys lose all their electrical resistance.(2) The frequency with which Bloch's theorem was quoted suggests the frustration of the many physicists who were struggling to explain superconductivity.

full article Superconductivity - Moments of Discovery