Quantum Electrodynamics with Anharmonic Waves

Details Quantum Electrodynamics with Anharmonic Waves Quantum Electrodynamics with Anharmonic Waves

2011-12-29

arxiv.org/abs/1112.6216v1

Physics

High Energy Physics

High Energy Physics - Theory

22 pages, 7 figures

Scientific paper

This is the second step of a program to use anharmonic plane waves as basis set in non-perturbative quantum field theory. The general framework developed previously is applied to quantum electrodynamics. To test the compatibility with standard quantum electrodynamics, the Feynman rules are generalized to anharmonic waves by expanding the field operators into anharmonic plane waves. A sum rule for the Fourier coefficients of anharmonic waves ensures that the generalized Feynman rules are equivalent to the standard rules after summing over all harmonics. It is possible to construct diagrams for the generation of harmonics. They are of O(alpha^2) for photons and of O(alpha) for electrons. To tackle intrinsically non-perturbative phenomena it is proposed to insert anharmonic field operators into the Dyson-Schwinger equations while retaining only the lowest harmonics.

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