physical vertex 中文意思是什麼
physical vertex
解釋
實際頂點-
Type - 1 vertex is identical with the physical field vertex, type - 2 vertex is different with a opposite sign, external particle line ( physical leg ) is only connect with the type - 1 vertex
1型頂點與零溫時物理場構成的頂點相一致, 2型頂點相差一個負號。對于粒子外線(物理腿)只和1型頂點相連。
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