SEARCH Articles Figures Tables Brillouin-Wigner perturbation theory multi-reference second order Field Theories of the Second-Order, Phase-Change Gibbs-DiMarzio second-order transition theory Hamiltonian second-order perturbation theory Hartree-Fock theory second-order optimization M0ller-Plesset perturbation theory second-order Mean-field theory second-order phase change Moeller-Plesset second-order perturbation theory Moller-Plesset perturbation theory second-order energy derivatives Moller-Plesset second-order perturbation theory Moller-Plesset, second-order theory Mpller-Plesset perturbation theory second-order properties Mpller-Plesset second-order perturbation theory Multi-body second order perturbation theory Multiconfigurational second-order perturbation theory Multireference second-order perturbation theory Perturbation theory complete active space second-order Perturbation theory second-order Perturbation theory second-order effects Quadrupolar interaction second-order perturbation theory Rayleigh-Schrodinger Perturbation Theory through Second Order Rayleigh-Schrodinger perturbation theory, second order energy Second order perturbation theory correlation effects Second order perturbation theory intermolecular interaction, electron Second-order M011er-Plesset Theory Second-order MP theory Second-order fluid theory Second-order many-body perturbation theory Second-order optimization MCSCF theory Second-order optimization theory Second-order perturbation theory approximate Second-order perturbation theory, hydrogen Second-order vibrational perturbation theory Second-order vibrational perturbation theory energy levels Second-order vibrational perturbation theory excited electronic states Some Applications of Second-order Many-body Perturbation Theory with a Moller-Plesset Reference Hamiltonian The Second-Order Perturbation Theory Uniform theory for second-order methods