Finite-Element Quantum Electrodynamics

Details Finite-Element Quantum Electrodynamics Finite-Element Quantum Electrodynamics

1993-10-25

arxiv.org/abs/hep-ph/9310347v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

2 pages, OKHEP-93-08, Latex, 2 uuencoded figures, uses hep93.sty appended at end of file

Scientific paper

We apply the finite-element lattice equations of motion for quantum electrodynamics to an examination of anomalies in the current operators. By taking explicit lattice divergences of the vector and axial-vector currents we compute the vector and axial-vector anomalies in two and four dimensions. We examine anomalous commutators of the currents to compute divergent and finite Schwinger terms. And, using free lattice propagators, we compute the vacuum polarization in two dimensions and hence the anomaly in the Schwinger model. (To appear in the Proceedings of the International Europhysics Conference on High Energy Physics, Marseille, July 22-28, 1993.)

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