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Publication . Article . 2010

A convexified energy functional for the Fermi-Amaldi correction

Gisèle Ruiz Goldstein; Jerome A. Goldstein; Naima Naheed;
Open Access
Published: 01 Jan 2010 Journal: Discrete & Continuous Dynamical Systems - A, volume 28, pages 41-65 (issn: 1553-5231, Copyright policy )
Publisher: American Institute of Mathematical Sciences (AIMS)

Consider the Thomas-Fermi energy functional $E$ for a spin polarized atom or molecule with $N_{1} $ [resp. $N_{2}$] spin up [resp. spin down] electrons and total positive molecular charge Z. Incorporating the Fermi-Amaldi correction as Benilan, Goldstein and Goldstein did, $E$ is not convex. By replacing $E$ by a well-motivated convex minorant $ \mathcal{E}$ ,we prove that $ \mathcal{E} $ has a unique minimizing density $( \rho _{1},\rho _{2}) \ $ when $N_{1}+N_{2}\leq Z+1\ $and $N_{2}\ $is close to $N_{1}.$

Subjects by Vocabulary

Microsoft Academic Graph classification: Physics Atom (order theory) Electron Mathematical physics Energy functional Fermi Gamma-ray Space Telescope Molecular charge Regular polygon Spin-½

arXiv: Condensed Matter::Quantum Gases


Applied Mathematics, Discrete Mathematics and Combinatorics, Analysis

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