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Lienard-Weichert derived from QED?

by johne1618
Tags: derived, lienardweichert
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johne1618
#1
Dec1-13, 02:17 PM
P: 373
Can the classical electromagnetic force between two arbitrarily moving electrons, described by the Lienard-Wiechert EM fields and the Lorentz force law, be derived from a "simple" tree-level QED calculation?

Can anyone point to a paper where this has been done?
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meopemuk
#2
Dec1-13, 03:38 PM
P: 1,746
I haven't seen derivations of retarded Lienard-Wiechert potentials from QED, but one can obtain the instantaneous Darwin-Breit potential. See section 83 in Berestetskii, Livshitz, Pitaevskii, "Quantum electrodynamics" and chapter 12 in arXiv:physics/0504062.

Eugene.


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