Universality of the Hohenberg-Kohn functional

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We comment on a recent article by H. L. Neal [Am. J. Phys. 66, 512 (1998)], in which an analytic expression for the Hohenberg-Kohn functional was derived for one-dimensional two-particle systems with the harmonic interaction. We argue that the functional given by Neal is not exact but really constitutes an approximation in the same spirit as the local-density approximation.
2 pages, RevTeX

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Physics Education, Materials Science

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http://salesiana.dossiersoluciones.com/handle/123456789/98176

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/physics/9903021
 http://arxiv.org/abs/physics/9903021
 Am. J. Phys. 67, 933 (1999).
 doi:10.1119/1.19156

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arXiv