- #1
JCCJ
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I'm studing the basics of renormalization (with phi^4 theory) and once you write the renormalized lagrangian with the counterterms, how do you derive the feynmann rules asociated to the kinetic counterterm?
---∅--- = i(p^2 δ Z - δ m) How??...
---∅--- = i(p^2 δ Z - δ m) How??...