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The mean-field approximation to Quantum Electrodynamics. The no-photon case.
Probability| Speaker: | Christian Hainzl, University of Alabama at Birmingham |
| Location: | 693 Kerr |
| Start time: | Tue, Oct 25 2005, 3:10PM |
Starting from a first-priciple QED Hamiltonian, in Coulomb gauge, neglecting photons, we show that, in a mean-field approximation, this Hamiltonian has a minimizer although it is a priori ill defined. We make sense out of it by means of an infinite volume limit.