Hertz? Equations of Electrodynamics

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Scientific Paper
Title Hertz? Equations of Electrodynamics
Author(s) Thomas E Phipps
Keywords Hertz? equations of electrodynamics, invariance, Maxwell?s equations, moving detectors, partial time derivative, total time derivative
Published 1997
Journal Electric Spacecraft Journal
Number 22
Pages 14-23

Abstract

Maxwell?s equations of electrodynamics are only special-case formulae of more generalized equations published in 1892 by Heinrich Hertz. Maxwell?s equations were derived for scenarios involving a stationary detector. Consequently, only a partial time derivative was taken, and so the measured current density was equal to the current density measured at the source. An important implication of Hertz? invariant, general equations of electrodynamics is that there is no space-time symmetry.