Publicación: LORENTZ-INVARIANCE VIOLATION WITH HIGHER-ORDER OPERATORS

Fecha
2016
Autores
Título de la revista
ISSN de la revista
Título del volumen
Editor
PROCEEDINGS OF THE SEVENTH MEETING ON CPT AND LORENTZ SYMMETRY
Resumen
IN THIS WORK, IN THE LIGHT OF THE DEVELOPMENTS FOR INDEFINITE METRIC THEORIES MADE BY LEE AND WICK, WE STUDY PERTURBATIVE UNITARITY IN A LORENTZ-INVARIANCE VIOLATING QED MODEL WITH HIGHER-ORDER OPERATORS. WE SHOW THAT BY FOLLOWING THE LEE-WICK PRESCRIPTION IT IS POSSIBLE TO PRESERVE UNITARITY IN THE MODEL AT ONE-LOOP ORDER IN THE COUPLING