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  2. A short introduction to Feynman diagrams, with many exercises, for students who had little or no prior exposure to quantum field theory. The text covers single-particle Dirac equation, free quantum fields, Feynman amplitude, cross-section calculation and computer methods.
    Author:Kresimir KumerickiPublished:2016
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  4. britannica.com

    Dec 23, 2024Learn about Feynman diagrams, a graphical method of representing the interactions of elementary particles, invented by Richard Feynman. See how they are used to calculate probabilities, depict antiparticles, and illustrate complex processes.
  5. hep.phy.cam.ac.uk

    Learn how to draw and interpret Feynman diagrams for particle interactions using the Standard Model vertices. Find out the rules, examples, and applications of Feynman diagrams in perturbation theory and quantum mechanics.
  6. phys.ufl.edu

    2 Basic Calculations using Feynman diagrams When we specify the underlying quantum field theory, a Feynman diagram contains the com-plete prescription for the matrix element describing a scattering or decay process. While the de-tails are beyond the scope of this course, we can illustrate some basic rules that are surprisingly useful.
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    Feynman diagram

    In theoretical physics, a Feynman diagram is a pictorial representation of the mathematical expressions describing the behavior and interaction of subatomic particles. The scheme is named after American physicist Richard Feynman, who introduced the diagrams in 1948. The calculation of probability amplitudes in theoretical particle physics requires the use of large, complicated integrals over a large number of variables. Feynman diagrams instead represent these integrals graphically. Feynman diagrams give a simple visualization of what would otherwise be an arcane and abstract formula. According to David Kaiser, "Since the middle of the 20th century, theoretical physicists have increasingly turned to this tool to help them undertake critical calculations. Feynman diagrams have revolutionized nearly every aspect of theoretical physics." While the diagrams apply primarily to quantum field theory, they can be used in other areas of physics, such as solid-state theory. Wikipedia

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