SEARCH Articles Figures Tables Born-Oppenheimer Hamiltonian operator Born-Oppenheimer approximation Hamiltonian Born-Oppenheimer approximation electronic Hamiltonian Born-Oppenheimer approximation vibration-rotation Hamiltonians Crude Born-Oppenheimer approximation hydrogen molecule, Hamiltonian Effective Hamiltonian Born-Oppenheimer approximation Many-particle Hamiltonian Born-Oppenheimer approximation Second Quantized Form of the Born-Oppenheimer Hamiltonian Second quantization of the Born-Oppenheimer Hamiltonian