Abstract
The time reversal symmetry of an N-electron Hamiltonian is imposed on the corresponding Hartree-Fock operator. This is ensured by a Slater determinant whose one-electron functions occur in Kramers degenerate pairs. For most point groups, the independent Kramers components are determined by a Hartree-Fock matrix of half the original dimension.
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More From: Journal of Physics B: Atomic and Molecular Physics
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