Quantum Field Theory, an Introduction

122 pages, 5 line figures, 2009

Quantum field theory describes the interaction between elementary particles or quantas. Its method often is named second quantization. In this book the quantum field theory is applied to electrons and photons. This lead-in is chosen because it is instructive and opens the access to other phenomena. The reader becomes acquainted with field operators, Feynman propagators, ultrarelativistic cross sections etc.

This publication is conceived as an introduction. The detailed developments and the numerous references to preceding places make it easier to follow. However, knowledge of the elements of relativistic quantum mechanics and electrodynamics is a prerequisite. We use the units of the system SI (MSKA-system), which is familiar to most beginners.

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