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The "Mass" of the Photon - Magnetic Fields in Superconductors cover

The "Mass" of the Photon - Magnetic Fields in Superconductors

Published in Blog
Tags: Superconductivity

If photons had a nonvanishing mass, the electromagnetic fields would show different characteristics than those we are used to: a wavelength dependence of the speed of light, modifications of Coulomb's and Ampères law and thus different fields for charges and dipoles and so on.

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Superconductors and Their Magnetostatic Fields cover

Superconductors and Their Magnetostatic Fields

Published in Electrodynamics / Magnetostatics / Magnetic Fields in Matter
Tags: Superconductivity

The Proca-formulation of electrodynamics allows to account for a hypothetical massive photon. This formulation is formally equivalent to the London theory of superconductivity

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