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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.
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feynman diagrams field diagram integral particle one lines propagator external theory momentum factor two particles path vertex line number function
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Feynman diagram | is a | pictorial representation of the mathematical expressions describing the behavior and interaction of subatomic particles | 0.90 | text |
| Feynman diagram | is a | graphical representation of a perturbative contribution to the transition amplitude or correlation function of a quantum mechanical or statistical field theory | 0.90 | text |
| Feynman diagram | is a | sum of exponentially many old-fashioned terms | 0.90 | text |
| Feynman diagram | is a | representation of quantum field theory processes in terms of particle interactions | 0.90 | text |
| Feynman diagram | is a | graphical representation of a single summand in the Wick's expansion of the time-ordered product in the nth-order term S | 0.90 | text |
| electrons or positrons | instance of | matter particles | 0.80 | text |
| Feynman diagram | has effect | Thinking | 0.60 | section |
| Feynman diagram | has effect | Feynman | 0.60 | section |
| Feynman diagram | has effect | Taylor | 0.60 | section |
| Feynman diagram | has effect | Even | 0.60 | section |
| Feynman diagram | has effect | But | 0.60 | section |
| Feynman diagram | has effect | They | 0.60 | section |
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