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hep-th1997
Rigid Invariance in Gauge Theories
Elisabeth Kraus, Klaus Sibold
Rigid gauge invariance comprises the symmetry content for physical quantities in a local gauge theory. Its derivation from BRS invariance is thus crucial for determining the physic…
hep-th1997
Callan-Symanzik and renormalization group equation in theories with spontaneously broken symmetry
Elisabeth Kraus
Callan-Symanzik and renormalization group equation are discussed for the -axial model and it is shown that the symmetric model is not the asymptotic version of the spontaneou…