Quantum Electrodynamics (Theoretical Physics, V. 4)

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Quantum Electrodynamics is a thorough introductory text providing all the necessary mathematical tools along with many examples and worked problems. In their presentation of the subject the authors adopt a heuristic approach based on the propagator formalism. The latter is introduced in the first two chapters in both its nonrelativistic version. Next, a large number of scattering and radiation processes involving electrons, positrons, and photons are introduced and their theoretical treatment is presented in great detail. Higher order processes and renormalization are also included. The book concludes with a discussion of two-particle states and the interaction of spinless bosons. In addition, the quantum electrodynamics of strong fields is presented.