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R. Hammerling, J. Zabloudil, L. Szunyogh, P. Weinberger:
"Solution of the Poisson equation for infinite and semi-infinite systems including near field corrections for charge densities of arbitrary shape";
Philosophical Magazine, 85 (2006), 1; S. 25 - 48.

A method for solving the Poisson equation is presented for systems with three- or
two-dimensional translational lattice symmetry, the latter applying to surfaces,
interfaces or slabs. Special attention is given to the so-called near field correction
(NFC), namely to a correction to the electrostatic potential arising from
neighbouring (or near) cells, that is inherent, e.g. to the full-potential KKR
method. The results of numerical tests presented serve to illustrate the effect of
the NFC. Furthermore, the question of the convergence of `internal´ angular
momentum sums is addressed and discussed in detail.

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