SEARCH Articles Figures Tables Ammonia via MBPT Body Perturbation Theory (MBPT) Brueckner-Goldstone MBPT DQ-MBPT EOM-MBPT Hydrogen molecule via MBPT MBPT and giant resonances MBPT machinery MR-MBPT Many-body perturbation theory (MBPT Many-body perturbation theory (MBPT correlation Mixed-parity MBPT Multi-reference MBPT Multi-reference MBPT approaches P-EOM-MBPT SDQ-MBPT SDTQ-MBPT SR-MBPT Second- and third-order MBPT for closed-shell atoms Water via MBPT