A computer program for evaluating lattice sums.
Dickmann, David B.
Schacher, G. E.
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A recurring problem in solid state physics is that of determining the electrostatic field or potential at a point within the crystal lattice arising from the molecules of the lattice themselves. A typical problem is that of finding the electrostatic binding potential of an ionic lattice, assuming point changes. Nijboer, de Wette and others have worked toward perfecting a method for calculating the electric field arising from a lattice of dipoles. This work culminated in a paper by de Wette and Schacher detailing a procedure which ensures a rapidly converging summation of the three dimensional lattice sums involved. The present paper is an extension of the latter, presenting a computer program for evaluating dipole fields in a crystal lattice using the equations obtained by de Wette and Schacher.
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