Form factors and moments of Wannier function distributions in the nearly free electron limit

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, , Citation L G Ferreira and N J Parada 1971 J. Phys. C: Solid State Phys. 4 15 DOI 10.1088/0022-3719/4/1/003

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1 Univ. Estadual de Campinas, Brazil

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0022-3719/4/1/15

Abstract

Some properties of the Wannier functions with minimal widths in the limit of a weak periodic potential are studied. The form factor of the Wannier function and its width are shown to be obtainable from simple geometric constructions in the reciprocal space.

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10.1088/0022-3719/4/1/003