Gauge Freedom in Dual Feynman-Like Rules and Its Relation to the Massless Yang-Mills Field Theory
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概要
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We investigate the relation between the factorization schemes in previously proposed Feynman-like rules for the Veneziano model and the gauge freedom in the massless Yang-Mills field. We consider the case of the unit intercept and introduce to our rules the Chan-Paton U(2) factors. By taking a zero-slope limit of the Feynman-like rules in two different factorization schemes, we derive two forms of the Feynman rules for the massless Yang-Mills field. One of them is in the usual Feynman gauge and the other is in a special non-hermitian gauge which has been proposed by Gervais and Neveu. It turns out that the zero-slope limit of the usual off-mass-shell n-Reggeon vertex has a peculiar feature which cannot be described by Lagrangians. Nevertheless, we show that the on-mass-shell physical amplitudes can be described by Lagrangians. The investigations are confined in the tree approximation.
- 一般社団法人日本物理学会の論文
- 1974-10-25
著者
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YONEDA Tetsuya
Department of Physics, Kumamoto University
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Yoneya Tamiaki
Department of Physics, Hokkaido University
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