In the study of Dirac fields in quantum field theory, Richard Feynman introduced the convenient Feynman slash notation (less commonly known as the Dirac slash notation). If A is a covariant vector (i.e., a 1-form), A / = d e f γ 0 A 0 + γ 1 A 1 + γ 2 A 2 + γ 3 A 3 {\displaystyle {A\! \!
In the study of Dirac fields in quantum field theory, Richard Feynman introduced the convenient Feynman slash notation (less commonly known as the Dirac slash notation). If A is a covariant vector (i.e., a 1-form), A / = d e f γ 0 A 0 + γ 1 A 1 + γ 2 A 2 + γ 3 A 3 {\displaystyle {A\! \!
Source: Wikipedia "Feynman slash notation" · CC BY-SA 4.0
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