Journal
MOLECULAR PHYSICS
Volume 103, Issue 9, Pages 1241-1260Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/00268970412331332934
Keywords
Lekner summations; Ewald summations; quasi-two-dimensional systems
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The purpose of this work is to carry out a comparison between the Ewald quasi-2D and Lekner summation methods. These methods were derived to treat the long-range electrostatic interactions in systems periodic in two directions, but bound in the third. The comparison is performed by Monte Carlo simulations on a very simple system, a bilayer of point ions; samplings of the phase space, average energies and structure functions are compared. When correctly implemented, the Lekner summation method is found to be in close agreement with the Ewald quasi-2D method; otherwise, a very complicated bias may plague computations.
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