期刊
JOURNAL OF CHEMICAL PHYSICS
卷 153, 期 12, 页码 -出版社
AIP Publishing
DOI: 10.1063/5.0023005
关键词
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资金
- European Union [792572]
- Institute of Information & Communications Technology Planning & Evaluation (IITP) - Korea Government [2019-0-00079]
- German Ministry for Education and Research (BMBF) [01IS14013A-E, 01GQ1115, 01GQ0850, 01IS18025A, 01IS18037A]
- German Research Foundation (DFG) [EXC 2046/1, 390685689]
- Marie Curie Actions (MSCA) [792572] Funding Source: Marie Curie Actions (MSCA)
Modern machine learning force fields (ML-FF) are able to yield energy and force predictions at the accuracy of high-level ab initio methods, but at a much lower computational cost. On the other hand, classical molecular mechanics force fields (MM-FF) employ fixed functional forms and tend to be less accurate, but considerably faster and transferable between molecules of the same class. In this work, we investigate how both approaches can complement each other. We contrast the ability of ML-FF for reconstructing dynamic and thermodynamic observables to MM-FFs in order to gain a qualitative understanding of the differences between the two approaches. This analysis enables us to modify the generalized AMBER force field by reparametrizing short-range and bonded interactions with more expressive terms to make them more accurate, without sacrificing the key properties that make MM-FFs so successful.
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