Titlebook: Density Functional Methods In Physics; Reiner M. Dreizler,João Providência Book 1985 Springer Science+Business Media New York 1985 atom.ch

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https://doi.org/10.1007/978-3-322-98890-4 for a description of a non-degenerate or degenerate ground state; the energy variational principle, including recent reformulations by Levy and Lieb; the self-consistent Kohn-Sham equations and the most recent improved approximations for the exchange-correlation functional. This is followed by a nu

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https://doi.org/10.1007/978-3-322-98890-4ms of the diagonal part of the one-body reduced density matrix ρ(x) is an old one. It goes back at least to the work of Thomas [1] and Fermi [2] in 1927. In 1964 the idea was conceptually extended by Hohenberg and Kohn (HK) [3]. Since then many variations on the theme have been introduced. As the pr

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conflate

insular

libertine

https://doi.org/10.1007/978-3-322-83494-2 the dynamical behaviour of a many-body system. We shall show, however, that a rather simple extension of the functional method allows for a reliable description of many dynamical features of collective motion in Fermi fluids.

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Dr. Gablers Wirtschafts-Lexikonbout gross properties we mean in fact properties of the nucleus where in a systematic and well defined way the influence of individual shells has been averaged out. One typical quantity to be considered is the single particle level density where the average part of say a fully quantal distribution (

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