Conformal invariance in perturbation theory
Abstract
Asymptotic conformal invariance is proved to be true at all orders in perturbation theory. The correct Ward Identities for broken conformal invariance are derived: they are the extension of the Callan Symanzik equation from scale to conformal transformations.
- Publication:
-
Physics Letters B
- Pub Date:
- May 1972
- DOI:
- 10.1016/0370-2693(72)90020-2
- Bibcode:
- 1972PhLB...39..643P