Reply to “Comment on ‘Charge expulsion and electric field in superconductors’ ”

J. E. Hirsch

doi:10.1103/PhysRevB.70.226504

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Reply to “Comment on ‘Charge expulsion and electric field in superconductors’ ”

J. E. Hirsch

DOI 10.1103/PhysRevB.70.226504 · Physical Review B

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Abstract

I argue that the validity of the new electrodynamic equations for superconductors proposed in my paper can and should be decided by experiment. Furthermore I show that BCS theory is ambiguous in its prediction of screening of longitudinal electric fields and hence cannot be used to decide between the validity of my theory versus the conventional theory. I also give a physical argument for why screening of electric fields by superconducting electrons should be expected to be less efficient than that by normal electrons, as predicted by the new equations.