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Anomalous dimensions of fields in a supersymmetric quantum field theory at a renormalization group fixed point. (English) Zbl 0788.53073

Summary: It is shown that any chiral superfield has an anomalous dimension equal to zero when all the couplings of the theory in which it is contained are at a renormalization group fixed point. It is argued that super-QED only has such a fixed point at zero coupling, and thence that the theory is trivial.

MSC:

53Z05 Applications of differential geometry to physics
81Q60 Supersymmetry and quantum mechanics
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