Treat a single weakly driven <Electron> or an independent bound charge, so that the incident <electric field> is approximately uniform across its displacement. The classical calculation uses <electric dipole radiation> and excludes both a resonant divergence and substantial quantum recoil.

Solution

Past exam of the optics and electrodynamics course of the University of Cambridge / 2019 / Section B / B5 / Solution

 Solution (source code)