R.K. Nesbet
International Journal of Quantum Chemistry
The nonrelativistic electronic energy of Be(S1) is computed by a generalization of the method of Brueckner, through the variational solution of generalized Bethe-Goldstone equations. These equations describe clusters of two, three, or four electrons interacting with the remainder of an N-electron system. The three- and four-particle terms are found to be very small, but the sum of three-particle terms is nearly 0.001 atomic units (a. u.). The computed correlation energy is -0.0921 a. u., or 98.1% of the difference between experimental total energy and computed Hartree-Fock and relativistic energies. © 1967 The American Physical Society.
R.K. Nesbet
International Journal of Quantum Chemistry
R.K. Nesbet
The Journal of Chemical Physics
J.D. Lyons, R.K. Nesbet
Physical Review Letters
L.D. Thomas, R.K. Nesbet
Physical Review A