Ja. Alonso et al., NONLOCAL FUNCTIONALS FOR EXCHANGE AND CORRELATION IN DENSITY-FUNCTIONAL THEORY - APPLICATION TO ATOMS AND TO SMALL ATOMIC CLUSTERS, International journal of quantum chemistry, 56(5), 1995, pp. 499-508
The local density approximation (LDA) to exchange and correlation effe
cts has well-known limitations. The nonlocal weighted density approxim
ation (WDA) corrects some of those defects. This is illustrated here b
y applications to free atoms and small atomic clusters. The WDA also i
nduces a nonlocal kinetic energy functional that is tested for atoms.
(C) 1995 John Wiley & Sons, Inc.