Srednicki — Quantum Field Theory · Problem 14.5

Canonical Quantization of Scalar Fields — Mark Srednicki

Physics — QFT · phi4-propagator-renormalization

Problem

Compute the

O(\lambda)

correction to the propagator in

\varphi^4

theory (see problem 9.2) in

d = 4 - \varepsilon

spacetime dimensions, and compute the

O(\lambda)

terms in

A

and

B