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Feynman slash notation

(Redirected from Feynman slash)

In the study of Dirac fields in quantum field theory, Feynman invented the convenient Feynman slash notation. If A is a covariant vector, i.e. 1-form,

A\!\!\!/\equiv \gamma^\mu A_\mu

using the Einstein summation notation where γ are the gamma matrices .

Last updated: 10-11-2005 04:52:22
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