SEARCH Articles Figures Tables A Computer-Algebraic Approach to the Derivation of Feynman-Goldstone Perturbation Expansions for Open-Shell Atoms and Molecules Application of the GOLDSTONE Program Brueckner-Goldstone MBPT Goldstone Report Goldstone boson Goldstone diagrams Goldstone dielectric properties Goldstone expansion Goldstone ferroelectrics Goldstone modes Goldstone nematics Goldstone program Goldstone theorem Goldstone-type diagrams Perturbation expansions Feynman-Goldstone Smectic Goldston mode The linked-cluster (Goldstones) theorem