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English(EN) Risk-Controlled DFT Selection for Machine-Learned Interatomic Potentials

新的MLIP方法增强了原子材料建模的可扩展性和准确性

研究人员开发了新的方法来提高材料建模的机器学习原子间势(MLIPs)的准确性和可扩展性。一种方法DPA4C-LR将长程静电力和Born有效电荷分析性地分离到全局计算中,同时保留局部MLIP特性,能够模拟多达520万个原子。另一种方法将何时使用昂贵的从头算(如DFT)与更便宜的MLIPs的决策,构建为一个使用共形风险控制框架的风险可控选择问题,旨在将MLIP误差保持在用户定义的阈值以下。 AI

影响 这些进展可以通过提高MLIPs的效率和可靠性,减少对计算成本高昂的从头算方法的依赖,从而加速材料发现和模拟。

排序理由 该集群包含两篇详细介绍机器学习原子间势新方法的学术论文。

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新的MLIP方法增强了原子材料建模的可扩展性和准确性

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报道来源 [2]

  1. arXiv cs.LG TIER_1 English(EN) · Yicheng Chen, Xiaoyun Yu, Hyejeong Song, Xintian Wang, Zihui Li, Zixi Xia, Junmin Chen, Peichen Zhong ·

    具有电响应能力的可扩展远程机器学习原子间势能用于原子尺度材料建模

    arXiv:2610.23643v1 Announce Type: cross Abstract: Accurate atomistic simulations of materials under electric fields require long-range electrostatics and electrical-response modeling at length scales beyond the reach of conventional first-principles methods. Yet these capabilitie…

  2. Hugging Face Daily Papers TIER_1 English(EN) ·

    面向机器学习势能的风险可控DFT选择

    Automated materials discovery requires evaluating large pools of candidate configurations, with density functional theory (DFT) as a major throughput bottleneck. Pretrained machine-learned interatomic potentials (MLIPs) approximate DFT cheaply, but their errors vary by orders of …