Renormalization and Gauge Symmetry for 2PI Effective Actions
Abstract
We explore a method to recover symmetry identities in the 2PI formalism. It is based on non-perturbative approximations to the 1PI effective action. We discuss renormalization questions raised by this technique.
- Publication:
-
Strong and Electroweak Matter 2004
- Pub Date:
- January 2005
- DOI:
- arXiv:
- arXiv:hep-ph/0411255
- Bibcode:
- 2005sem..conf..316R
- Keywords:
-
- High Energy Physics - Phenomenology
- E-Print:
- 5 pages, 3 figures. To appear in the conference proceedings of Strong Electroweak Matter 2004 (SEWM04), Helsinki, Finland. 16-19 Jun 2004