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Titlebook: Density Functional Theory; Modeling, Mathematic Eric Cancès,Gero Friesecke Book 2023 The Editor(s) (if applicable) and The Author(s), under

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發(fā)表于 2025-3-21 17:03:49 | 只看該作者 |倒序?yàn)g覽 |閱讀模式
書目名稱Density Functional Theory
副標(biāo)題Modeling, Mathematic
編輯Eric Cancès,Gero Friesecke
視頻videohttp://file.papertrans.cn/266/265627/265627.mp4
概述First and only comprehensive review of density functional review written for mathematicians, physicists, and chemists.Accessible, yet state-of-art text on Density Functional Theory for graduate studen
叢書名稱Mathematics and Molecular Modeling
圖書封面Titlebook: Density Functional Theory; Modeling, Mathematic Eric Cancès,Gero Friesecke Book 2023 The Editor(s) (if applicable) and The Author(s), under
描述Density functional theory (DFT) provides the most widely used models for simulating molecules and materials based on the fundamental laws of quantum mechanics. It plays a central role in a huge spectrum of applications in chemistry, physics, and materials science.Quantum mechanics describes a system of N interacting particles in the physical 3-dimensional space by a partial differential equation in 3N spatial variables. The standard numerical methods thus incur an exponential increase of computational effort with N, a phenomenon known as the curse of dimensionality; in practice these methods already fail beyond N=2..?.DFT overcomes this problem by.1) reformulating the N-body problem involving functions of 3N variables in terms of the density, a function of 3 variables,?.2) approximating it by a pioneering hybrid approach which keeps important ab initio contributions and re-models the remainder in a data-driven way..This book intends to be an accessible, yet state-of-art text on DFT for graduate students and researchers in applied and computational mathematics, physics, chemistry, and materials science. It introduces and reviews the main models of DFT, covering their derivation and
出版日期Book 2023
關(guān)鍵詞Density Functional Theory; Computational Quantum Mechanics; Thermodynamics; Finite Element Methods; Wawe
版次1
doihttps://doi.org/10.1007/978-3-031-22340-2
isbn_softcover978-3-031-22342-6
isbn_ebook978-3-031-22340-2Series ISSN 3005-0286 Series E-ISSN 3005-0294
issn_series 3005-0286
copyrightThe Editor(s) (if applicable) and The Author(s), under exclusive license to Springer Nature Switzerl
The information of publication is updating

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發(fā)表于 2025-3-22 00:00:47 | 只看該作者
On Connecting Density Functional Approximations to Theory,two, and this can make us doubt about a linkage. This attitude can be further enforced by the vagueness of the argumentation for using spin densities. Questioning the foundations of density functional models leads to a search for alternative explanations. Seeing them as using models for pair densiti
板凳
發(fā)表于 2025-3-22 03:49:30 | 只看該作者
Universal Functionals in Density Functional Theory,quantum states having a given density. We discuss two possible convex generalizations of this functional, corresponding to using mixed canonical and grand-canonical states, respectively. We present some recent works about the local density approximation, in which the functionals get replaced by pure
地板
發(fā)表于 2025-3-22 07:03:54 | 只看該作者
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發(fā)表于 2025-3-22 10:37:57 | 只看該作者
,Moreau–Yosida Regularization in DFT,us proper convex functions over separable Hilbert spaces, and when applied to the universal functional of exact DFT (appropriately restricted to a bounded domain), gives a reformulation of the ubiquitous .-representability problem and a rigorous and illuminating derivation of Kohn–Sham theory..The c
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發(fā)表于 2025-3-22 13:19:54 | 只看該作者
Thermodynamic Limits of Electronic Systems,nt these limits in three models of increasing chemical complexity and mathematical difficulty: (1) Thomas–Fermi-like models; (2) Hartree–Fock-like models; and (3) Kohn–Sham density functional theory models.
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發(fā)表于 2025-3-23 02:37:21 | 只看該作者
Flexibilities of Wavelets as a Computational Basis Set for Large-Scale Electronic Structure Calculaith pseudopotentials. This project led to the creation of the . code, which employs a computational approach with optimal features for flexibility, performance and precision of the results. In particular, the employed formalism has enabled the implementation of an algorithm able to tackle DFT calcul
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發(fā)表于 2025-3-23 06:58:00 | 只看該作者
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