Cargando…
Derivatives as an IR regulator for massless fields
The free propagator for the scalar \lambda \phi^4--theory is calculated exactly up to the second derivative of a background field. Using this propagator I compute the one--loop effective action, which then contains all powers of the field but with at most two derivatives acting on each field. The st...
| Autor principal: | |
|---|---|
| Lenguaje: | eng |
| Publicado: |
1995
|
| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1016/0370-2693(95)00540-2 http://cds.cern.ch/record/279129 |