Abstract
Density functional theory (DFT) has become a basic tool for the study of electronic structure of matter, in which the Hohenberg–Kohn theorem plays a fundamental role in the development of DFT. In this paper, we present a simple, selfcontained and mathematically rigorous proof using the Fundamental Theorem of Algebra. We also show the Hohenberg–Kohn theorem for systems with some more general external potentials.
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This work was partially supported by the National Science Foundation of China under grants 10871198 and 10971059, the Funds for Creative Research Groups of China under grant 11021101, the National Basic Research Program of China under grant 2011CB309703, and the National Center for Mathematics and Interdisciplinary Sciences, Chinese Academy of Sciences.
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Zhou, A. Hohenberg–Kohn theorem for Coulomb type systems and its generalization. J Math Chem 50, 2746–2754 (2012). https://doi.org/10.1007/s10910-012-0061-3
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DOI: https://doi.org/10.1007/s10910-012-0061-3
Keywords
- Coulomb system
- Density functional theory
- Electronic structure
- Fundamental Theorem of Algebra
- Hohenberg–Kohn