paper

On the upper bound of the electronic kinetic energy in terms of density functionals

arXiv:quant-ph/0504055 · doi:10.1088/0305-4470/38/36/007

Abstract

We propose a simple density functional expression for the upper bound of the kinetic energy for electronic systems. Such a functional is valid in the limit of slowly varying density, its validity outside this regime is discussed by making a comparison with upper bounds obtained in previous work. The advantages of the functional proposed for applications to realistic systems is briefly discussed.

10 pages, no figures

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