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LienardWeichert derived from QED? 
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#1
Dec113, 02:17 PM

P: 373

Can the classical electromagnetic force between two arbitrarily moving electrons, described by the LienardWiechert EM fields and the Lorentz force law, be derived from a "simple" treelevel QED calculation?
Can anyone point to a paper where this has been done? 


#2
Dec113, 03:38 PM

P: 1,746

I haven't seen derivations of retarded LienardWiechert potentials from QED, but one can obtain the instantaneous DarwinBreit potential. See section 83 in Berestetskii, Livshitz, Pitaevskii, "Quantum electrodynamics" and chapter 12 in arXiv:physics/0504062.
Eugene. 


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