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Basic Physics Course with MATLAB's Symbolic Toolbox and Live Editor

Animation 7: Radiation of the Hertzian dipole

A Hertzian dipole consists of a negative point charge at the coordinate origin and a harmonic-moving positive point charge at a(t);

Hertzian dipole

Hertz dipol

In the far-field approximation, the vector potential can be directly integrated. Above, the electric field lines are shown in the x-z plane. Further details can be found in Chap06_4 .