EMBEDDING OF THE BRUECKNER EXPANSION IN THE GREENS FUNCTION THEORY

We discuss the relationship between the Green's function and the Brueckner expansions for the binding energy of nuclear matter. The origin of spurious-looking graphs which appear in the Green's function expansion is elucidated. Numerical values are given in the case of the Hamman-Ho-Kim nucleon-nucleon interaction. We point out the existence of a striking analogy between the Green's function and the correlated basis functions approaches. NUCLEAR STRUCTURE Formal and numerical comparison between the Brueckner and Green's function theories of nuclear matter. © 1979 The American Physical Society.