Intracule Functional Models I. Angle-corrected correlation kernels

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Author
Dumont, E.E.
Crittenden, D.L.
Gill, P.M.W.
Date
2007Permanent Link
http://hdl.handle.net/10092/3660We explore the merits of applying a simple angle-dependent correction to the correlation kernel within the framework of Hartree–Fock–Wigner theory. Based on numerical results for the first eighteen atoms, we conclude that such a correction offers a significant improvement over the action kernel that we and others have explored previously.