Abstract
THE latest version1 of F. and H. London's phenomenological theory of supra-conductivity (which on its first appearance2 was obscured by an erroneous assumption as regards the boundary conditions3) can be put into a very simple form. We assume Maxwell's equations for a medium with dielectric constant and permeability 1 (choosing the units so as to make c = 1 and abolish odious 4's): In empty space, 7 = 0. In a normally conducting metal there is a current of conduction Ic in addition to the displacement current E: The assumption for the supra-conductor is, that That is to say, there is a third sort of current Is, call it the supra-current, which either is added to, or (if = 0) replaces the ordinary conduction current Ic.
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References
Physica, 2, 341 (1935).
Proc. Roy. Soc., A, 149, 71 (1935).
Z. Phys., 96, 363 (1935).
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SCHRÖDINGER, E. Phenomenological Theory of Supra-conductivity. Nature 137, 824 (1936). https://doi.org/10.1038/137824a0
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DOI: https://doi.org/10.1038/137824a0
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