Renormalization group and compositeness in quantum-field theory

Chiang, C. -C. ; Chiu, C. B. ; Sudarshan, E. C. G. ; Tata, Xerxes (1982) Renormalization group and compositeness in quantum-field theory Physica A: Statistical Mechanics and its Applications, 114 (1-3). pp. 176-180. ISSN 0378-4371

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By making use of the renormalization group technique, we show that the compositeness conditions required for the equivalence of quantum chromodynamics and the corresponding four-fermion theory may be demonstrated for a large class of gauges. It is also pointed out from a study of soluble models that the equivalence in the sense that the wave functions are the same for finite energy does not guarantee the total equivalence of the Yukawa-type theory to the four-fermion theory.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
ID Code:51006
Deposited On:27 Jul 2011 12:50
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