- #1
nikosbak
- 4
- 0
The problem statement.
When an exercises say " the interaction in a QFT has dimensions Δ" , what does it mean?, it means the field or the Lagrangian has this mass dimension?
In this exercise I'm trying to find the classical beta function (β-function) for the assciated couling.
When an exercises say " the interaction in a QFT has dimensions Δ" , what does it mean?, it means the field or the Lagrangian has this mass dimension?
In this exercise I'm trying to find the classical beta function (β-function) for the assciated couling.