Articles written in Pramana – Journal of Physics
Volume 25 Issue 5 November 1985 pp 597-601 Solid State Physics
A simple approach to evaluation of lattice sums
Subinay Dasgupta D Sen S Sengupta
It is shown that starting from a Fourier transform relation one can derive, in a surprisingly simple manner, all the well-known results of lattice summation, that have been obtained so far by a complicated use of the Ewald theta transformation. We show that the Ewald transformation follows directly from the Fourier transform relation.
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