Adaptation of the projector-augmented-wave formalism to the treatment of orbital-dependent exchange-correlation functionals
2011
ochl [Phys. Rev. B 50 17953 (1994)] for electronic structure calculations. The methodology is illustrated with binding energy curves for C in the diamond structure and LiF in the rock salt structure, comparing results from the Hartree-Fock (HF) formalism and the Optimized Effective Potential (OEP) formalism in the so-called KLI approximation [Krieger, Li, and Iafrate, Phys. Rev. A 45, 101 (1992)] with those of the local density approximation (LDA). While the work here uses pure Fock exchange only, the formalism can be extended to treat orbital-dependent functionals more generally.
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