SEARCH Articles Figures Tables Brillouin-Wigner methods for many-body systems Brillouin-Wigner methods, many-body Brillouin-Wigner perturbation theory many-body method equations Many-body Many-body Dirac-Fock method Many-body Hamiltonians methods Many-body expansion method Many-body perturbation method Many-body perturbation theory coupled cluster methods Many-body perturbation theory size-consistent methods Many-body perturbation theory, relativistic methods Many-body, generally electron dynamics methods Molecular potential many-body expansion method Quantum many-body dynamics method