How to preserve symmetries with cut-off regularized integrals?
Original Research Article
Author/Authors :
T. Varin، نويسنده , , D. Davesne، نويسنده , , M. Oertel، نويسنده , , M. Urban، نويسنده ,
Issue Information :
هفته نامه با شماره پیاپی سال 2007
Pages :
12
From page :
422
To page :
433
Abstract :
We present a prescription to define quadratically and logarithmically divergent parts of several integrals employing a cut-off in agreement with some symmetry requirements. As examples we consider one-loop Ward identities for QED and a phenomenological chiral model.
