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Chapter
Chapter
Perturbative Green’s Functions in λ ϕ 4 $ \lambda \phi ^4 $
DOI link for Perturbative Green’s Functions in λ ϕ 4 $ \lambda \phi ^4 $
Perturbative Green’s Functions in λ ϕ 4 $ \lambda \phi ^4 $
ABSTRACT
In the previous chapter we applied the method of the sum over paths to very simple field theories, in particular to real or complex scalar, free fields.
