Infrared properties of the coupling constant in non-abelian gauge theories
Abstract
It is shown that the Schwinger-Dyson equations and Ward identities of non-abelian gauge theories could lead to an infrared behavior g2(q2)~1/q2 for the running coupling constant. This behavior is nonperturbative, and holds for any color group. Whether it is actually realized is now being investigated.
On leave from California Institute of Technology, Pasadena, CA, USA.- Publication:
-
Physics Letters B
- Pub Date:
- September 1979
- DOI:
- 10.1016/0370-2693(79)90619-1
- Bibcode:
- 1979PhLB...86...52A