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Results tagged with feynman-diagrams
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user 48802
A diagrammatic technique introduced by Richard Feynman to describe the quantum behaviour of subatomic particles and their interactions. Do not use for general questions on diagrams that are not of the Feynman kind.
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The path integral and Feynman diagrams
For instance, how did he come up with interpreting the propagator as the propagation of particles?
The path integral is usually introduced as a matrix element of the time evolution operator
$$
\l …
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