Electron Anomalous Magnetic Moment in Basis Light-Front Quantization Approach

Details Electron Anomalous Magnetic Moment in Basis Light-Front Quantization Approach Electron Anomalous Magnetic Moment in Basis Light-Front Quantization Approach

2011-10-04

arxiv.org/abs/1110.0553v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 1 figure, proceeding for Lightcone 2011 conference

Scientific paper

We apply the Basis Light-Front Quantization (BLFQ) approach to the Hamiltonian field theory of Quantum Electrodynamics (QED) in free space. We solve for the mass eigenstates corresponding to an electron interacting with a single photon in light-front gauge. Based on the resulting non-perturbative ground state light-front amplitude we evaluate the electron anomalous magnetic moment. The numerical results from extrapolating to the infinite basis limit reproduce the perturbative Schwinger result with relative deviation less than 0.6%. We report significant improvements over previous works including the development of analytic methods for evaluating the vertex matrix elements of QED.

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