Positivity restriction on anomalous dimensions
Abstract
Arguments of positivity and conformal invariance in the Gell-Mann-Low limit imply positive anomalies γN [γN=(scale dimension)-2-N] for the operators Oα1...αN (N≢0) which occur in the light-cone expansion of two currents.
- Publication:
-
Physical Review D
- Pub Date:
- June 1974
- DOI:
- 10.1103/PhysRevD.9.3564
- Bibcode:
- 1974PhRvD...9.3564F