arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2409.04372physics.chem-phmath-phmath.MPquant-ph
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具有数学保证的Kohn-Sham反演

Kohn-Sham inversion with mathematical guarantees

École Polytechnique Fédérale de Lausanne(洛桑联邦理工学院);Oslo Metropolitan University(奥斯陆城市大学);University of Oslo(奥斯陆大学)

Michael F. Herbst, Vebjørn H. Bakkestuen, Andre Laestadius

AI总结:

该研究采用精确Moreau-Yosida正则化公式,开发数学严格的Kohn-Sham反演算法并应用于体硅等材料,首次实现物理系统的Moreau-Yosida反演计算,构建可数值验证的误差界,为分析反演方法开辟新途径。

摘要:

我们采用精确的Moreau-Yosida正则化公式来获取周期系统的交换关联势。我们揭示了严格数学原理与高效数值实现之间的深刻联系,这标志着首次基于Moreau-Yosida的物理系统反演计算。我们开发了数学严格的反演算法,并在代表性体材料(具体为体硅、砷化镓和氯化钾)中进行了演示。该算法可构建严格的误差界,且我们已通过数值验证。这为分析Kohn-Sham反演方法开辟了新途径,有望促进开发近似泛函的数学方法。

英文摘要:

We use an exact Moreau-Yosida regularized formulation to obtain the exchange-correlation potential for periodic systems. We reveal a profound connection between rigorous mathematical principles and efficient numerical implementation, which marks the first computation of a Moreau-Yosida-based inversion for physical systems. We develop a mathematically rigorous inversion algorithm which is demonstrated for representative bulk materials, specifically bulk silicon, gallium arsenide, and potassium chloride. Our inversion algorithm allows the construction of rigorous error bounds that we are able to verify numerically. This unlocks a new pathway to analyze Kohn-Sham inversion methods, which we expect in turn to foster mathematical approaches for developing approximate functionals.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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