Using Machine Learning to Greatly Accelerate Path Integral Ab Initio Molecular Dynamics
Abstract
Ab initio molecular dynamics (AIMD) has become one of the most popular and robust approaches for modeling complicated chemical, liquid, and material systems. However, the formidable computational cost often limits its widespread application in simulations of the largest-scale systems. Furthermore, the situation becomes even more severe in cases where the hydrogen nuclei may be better described as quantized particles using a path integral representation. Here, we present a computational approach that combines machine learning with recent advances in path integral contraction schemes, and we achieve a 2 orders of magnitude acceleration over direct path integral AIMD simulation while at the same time maintaining its accuracy.
- Authors:
-
- Univ. of Chicago, IL (United States)
- Publication Date:
- Research Org.:
- Univ. of Chicago, IL (United States); University of Chicago, IL (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES). Chemical Sciences, Geosciences & Biosciences Division; National Institute of General Medical Sciences (NIGMS); National Institutes of Health (NIH); USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1865676
- Alternate Identifier(s):
- OSTI ID: 2337969
- Grant/Contract Number:
- SC0018648
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of Chemical Theory and Computation
- Additional Journal Information:
- Journal Volume: 18; Journal Issue: 2; Journal ID: ISSN 1549-9618
- Publisher:
- American Chemical Society
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; Solvation; Electronic structure; Ab initio molecular dynamics; Chemical structure; Computer simulations
Citation Formats
Li, Chenghan, and Voth, Gregory A. Using Machine Learning to Greatly Accelerate Path Integral Ab Initio Molecular Dynamics. United States: N. p., 2022.
Web. doi:10.1021/acs.jctc.1c01085.
Li, Chenghan, & Voth, Gregory A. Using Machine Learning to Greatly Accelerate Path Integral Ab Initio Molecular Dynamics. United States. https://doi.org/10.1021/acs.jctc.1c01085
Li, Chenghan, and Voth, Gregory A. Tue .
"Using Machine Learning to Greatly Accelerate Path Integral Ab Initio Molecular Dynamics". United States. https://doi.org/10.1021/acs.jctc.1c01085. https://www.osti.gov/servlets/purl/1865676.
@article{osti_1865676,
title = {Using Machine Learning to Greatly Accelerate Path Integral Ab Initio Molecular Dynamics},
author = {Li, Chenghan and Voth, Gregory A.},
abstractNote = {Ab initio molecular dynamics (AIMD) has become one of the most popular and robust approaches for modeling complicated chemical, liquid, and material systems. However, the formidable computational cost often limits its widespread application in simulations of the largest-scale systems. Furthermore, the situation becomes even more severe in cases where the hydrogen nuclei may be better described as quantized particles using a path integral representation. Here, we present a computational approach that combines machine learning with recent advances in path integral contraction schemes, and we achieve a 2 orders of magnitude acceleration over direct path integral AIMD simulation while at the same time maintaining its accuracy.},
doi = {10.1021/acs.jctc.1c01085},
journal = {Journal of Chemical Theory and Computation},
number = 2,
volume = 18,
place = {United States},
year = {Tue Jan 04 00:00:00 EST 2022},
month = {Tue Jan 04 00:00:00 EST 2022}
}
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