費曼規矩
費曼規矩(Feynman rules)係量子場論嘅一種規矩；響一特定嘅模型，由一幅幅費曼圖(en:Feynman diagrams)砌出路徑積分，幫我地計個模型嘅Green 函數、相關函數、真空期望值。
註
參攷
- Claude Itzykson / Jean-Bernard Zuber : "Quantum Field Theory", ISBN 0-486-44568-2
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