BIRS Workshop Lecture Videos
Mean-field approximation of QED Lewin, Mathieu
I will review several results obtained in collaboration with Philippe Gravejat, Christian Hainzl and Eric SÃ©rÃ© on a mean-field model in QED. I will particularly discuss charge renormalization and the derivation of the Euler-Heisenberg effective Lagrangian. I will also mention the advantages and disadvantages of the model, as well as open problems.
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