EQUIVALENCE OF LIGHT-FRONT AND COVARIANT FIELD-THEORY

被引：56
作者：
LIGTERINK, NE
BAKKER, BLG
机构：
[1] Department of Physics and Astronomy, Vrije Universiteit, Amsterdam
来源：
PHYSICAL REVIEW D | 1995年 / 52卷 / 10期
关键词：
D O I：
10.1103/PhysRevD.52.5954
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
In this paper we discuss the relation between the standard covariant quantum held theory and light-front field theory. We define covariant theory by its Feynman diagrams, whereas light-front held theory is defined in terms of light-cone time-ordered diagrams. A general algorithm is proposed that produces the latter from any Feynman diagram. The procedure is illustrated in several cases. Technical problems that occur in the light-front formulation and have no counterpart in the covariant formulation are identified and solved. The problem of renormalization is not discussed in this paper.
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页码：5954 / 5979
页数：26
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