Electronic structure without exchange?

Details Electronic structure without exchange? Electronic structure without exchange?

1999-07-07

arxiv.org/abs/cond-mat/9907103v1

Physics

Condensed Matter

5 pages, 1 figure

Scientific paper

The correlation holes for densities of equal and opposite spin around a test electron are determined from the Schr\"{o}dinger equation with proper boundary conditions. The traditional "exchange" term follows from the boundary condition which respects a spacial exclusion principle for equal spins. The resulting potential compares reasonably well with standard local density potentials and should simplify extensions towards non-local effects.

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