Basis functions for electronic structure calculations on spheres

Date

2014-12-22

Authors

Gill, Peter M. W.
Loos, Pierre-François
Agboola, Davids

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Publisher

American Institute of Physics

Abstract

We introduce a new basis function (the spherical Gaussian) for electronic structure calculations on spheres of any dimension D. We find general expressions for the one- and two-electron integrals and propose an efficient computational algorithm incorporating the Cauchy-Schwarz bound. Using numerical calculations for the D = 2 case, we show that spherical Gaussians are more efficient than spherical harmonics when the electrons are strongly localized.

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Source

Journal of Chemical Physics

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Journal article

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