Hedin's equations and enumeration of Feynman's diagrams

Abstract

Hedin's equations are solved perturbatively in zero dimension to count Feynman graphs for self-energy, polarization, propagator, effective potential and vertex function in a many-body theory of fermions with two-body interaction. Counting numbers are also obtained in the GW approximation.

Revised published version, 3 pages, no figures

Cited by in corpus (1)

• A Table of Third and Fourth Order Feynman Diagrams of the Interacting Fermion Green's Function