A MAPPING BETWEEN FEYNMAN AND STRING MOTIVATED ONE-LOOP RULES IN GAUGE-THEORIES

被引:124
作者
BERN, Z [1 ]
DUNBAR, DC [1 ]
机构
[1] UNIV LIVERPOOL,DAMTP,LIVERPOOL L69 3BX,ENGLAND
基金
美国国家科学基金会;
关键词
D O I
10.1016/0550-3213(92)90135-X
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
Recently, computationally efficient rules for one-loop gauge theory amplitudes have been derived from string theory, We demonstrate the relationship of the compact string organization of the amplitude to Feynman diagrams. In particular, we explicitly show how large cancellations inherent in conventional Feynman diagram computations are avoided by the string motivated rules.
引用
收藏
页码:562 / 601
页数:40
相关论文
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