Abstract
In this chapter, the Lagrangians for interacting fields are presented and important concepts are discussed, e.g.: the interaction representation, perturbation theory, the S matrix, Wick’s theorem and the Feynman rules. Some important scattering processes and fundamental physical phenomena in quantum electrodynamics are studied.
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© 2008 Springer-Verlag Berlin Heidelberg
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(2008). Interacting Fields, Quantum Electrodynamics. In: Advanced Quantum Mechanics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-85062-5_15
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DOI: https://doi.org/10.1007/978-3-540-85062-5_15
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-85061-8
Online ISBN: 978-3-540-85062-5
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