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Title: Asymptotic scale invariance in a massive thirring model with U(n) symmetry
Authors: P. K. Mitter
P. H. Weisz
University of Maryland
Universite Pierre et Marie Curie
Mahidol University
Keywords: Physics and Astronomy
Issue Date: 1-Jan-1973
Citation: Physical Review D. Vol.8, No.12 (1973), 4410-4429
Abstract: Renormalized Ward identities and Callan-Symanzik equations are developed for vertex functions involving composite fields in a massive Thirring model with U(n) symmetry. The existence of a critical curve of fixed points of a renormalization group acting on a space of coupling constants is proved. On this curve all nonsoft axial-vector and scaling anomalies vanish. Attraction properties of this curve are investigated. The possibility of a second critical curve for strong coupling is discussed. © 1973 The American Physical Society.
ISSN: 05562821
Appears in Collections:Scopus 1969-1990

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