Atoms, molecules, solids, and surfaces:
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Perdew, John P.; Chevary, J. A.; Vosko, S. H.; Jackson, Koblar A.; Pederson, Mar
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Article
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1992
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The American Physical Society
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English
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Generalized gradient approximations (GGA s) seek to improve upon the accuracy of the local-spin- density (LSD) approximation in electronic-structure calculations. Perdew and Wang have developed a GGA based on real-space cutoff of the spurious long-range components of the second-order gradient ex- pa