Exchange and correlation energy in a nonuniform fermion fluid
Geldart, D. J. W.
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Recent results for the surface energy of jelliumlike surfaces are investigated within the functional-density formalism. These results along with first-principles considerations support the contention that the first gradient coefficient of the exchange and correlation energy, in its unmodified form, is the proper nonlocal correction to the local-density approximation in extended systems
Rasolt, M., and D. J. W. Geldart. 1986. "Exchange and correlation energy in a nonuniform fermion fluid." Physical Review B (Condensed Matter) 34(2): 1325-8. Copyright © 1986 American Physical Society.