Deep Potential Molecular Dynamics: A Scalable Model with the Accuracy of Quantum Mechanics
Abstract
We introduce a scheme for molecular simulations, the deep potential molecular dynamics (DPMD) method, based on a many-body potential and interatomic forces generated by a carefully crafted deep neural network trained with ab initio data. The neural network model preserves all the natural symmetries in the problem. It is first-principles based in the sense that there are no ad hoc components aside from the network model. We show that the proposed scheme provides an efficient and accurate protocol in a variety of systems, including bulk materials and molecules. In all these cases, DPMD gives results that are essentially indistinguishable from the original data, at a cost that scales linearly with system size.
- Authors:
-
- Princeton Univ., NJ (United States). Program in Applied and Computational Mathematics
- Inst. of Applied Physics and Computational Mathematics, Beijing (China); CAEP Software Center for High Performance Numerical Simulation, Beijing (China)
- Princeton Univ., NJ (United States). Dept. of Chemistry. Dept. of Physics. Program in Applied and Computational Mathematics. Princeton Inst. for the Science and Technology of Materials
- Princeton Univ., NJ (United States). Dept. of Mathematics. Program in Applied and Computational Mathematics; Peking Univ., Beijing (China). Beijing Inst. of Big Data Research. Center for Data Science. Beijing International Center for Mathematical Research
- Publication Date:
- Research Org.:
- Princeton Univ., NJ (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES); USDOE Office of Science (SC), Advanced Scientific Computing Research (ASCR)
- OSTI Identifier:
- 1541298
- Alternate Identifier(s):
- OSTI ID: 1431394
- Grant/Contract Number:
- SC0008626; SC0009248
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review Letters
- Additional Journal Information:
- Journal Volume: 120; Journal Issue: 14; Journal ID: ISSN 0031-9007
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 74 ATOMIC AND MOLECULAR PHYSICS
Citation Formats
Zhang, Linfeng, Han, Jiequn, Wang, Han, Car, Roberto, and E, Weinan. Deep Potential Molecular Dynamics: A Scalable Model with the Accuracy of Quantum Mechanics. United States: N. p., 2018.
Web. doi:10.1103/physrevlett.120.143001.
Zhang, Linfeng, Han, Jiequn, Wang, Han, Car, Roberto, & E, Weinan. Deep Potential Molecular Dynamics: A Scalable Model with the Accuracy of Quantum Mechanics. United States. https://doi.org/10.1103/physrevlett.120.143001
Zhang, Linfeng, Han, Jiequn, Wang, Han, Car, Roberto, and E, Weinan. Wed .
"Deep Potential Molecular Dynamics: A Scalable Model with the Accuracy of Quantum Mechanics". United States. https://doi.org/10.1103/physrevlett.120.143001. https://www.osti.gov/servlets/purl/1541298.
@article{osti_1541298,
title = {Deep Potential Molecular Dynamics: A Scalable Model with the Accuracy of Quantum Mechanics},
author = {Zhang, Linfeng and Han, Jiequn and Wang, Han and Car, Roberto and E, Weinan},
abstractNote = {We introduce a scheme for molecular simulations, the deep potential molecular dynamics (DPMD) method, based on a many-body potential and interatomic forces generated by a carefully crafted deep neural network trained with ab initio data. The neural network model preserves all the natural symmetries in the problem. It is first-principles based in the sense that there are no ad hoc components aside from the network model. We show that the proposed scheme provides an efficient and accurate protocol in a variety of systems, including bulk materials and molecules. In all these cases, DPMD gives results that are essentially indistinguishable from the original data, at a cost that scales linearly with system size.},
doi = {10.1103/physrevlett.120.143001},
journal = {Physical Review Letters},
number = 14,
volume = 120,
place = {United States},
year = {Wed Apr 04 00:00:00 EDT 2018},
month = {Wed Apr 04 00:00:00 EDT 2018}
}
Web of Science
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