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Performing Path Integral Molecular Dynamics Using an Artificial Intelligence-Enhanced Molecular Simulation Framework

delete2025-07-30
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PRE
AI
F
Fan Cheng
M
Maodong Li
S
Sihao Yuan
Z
Zhaoxin Xie
D
Dechin Chen
Y
Yi Yang *
高
高毅勤 (Yi Qin Gao) *
DOI:10.1021/acs.jctc.5c00666delete
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摘要

摘要

En 中文
本研究采用了一种人工智能增强的分子模拟框架,以实现高效的路径积分分子动力学(PIMD)模拟。由于该框架具有模块化架构和高通量能力,能够有效缓解与常规PIMD方法相关的计算复杂度和资源密集型限制。通过将机器学习力场(MLFFs)集成到该框架中,我们通过两个代表性案例严格测试了其性能:一个小分子反应系统(甲酸二聚体中的双质子转移)和一个体相转变系统(水-冰相变)。计算结果表明,所提出的框架在加速PIMD模拟的同时保持了量子力学精度。这些发现表明,可以使用相对较低的计算成本来捕捉复杂分子系统中的核量子效应。
Keyword:
artificial intelligence
molecular simulation
path integral molecular dynamics
machine learning force fields
nuclear quantum effects

期刊

Journal of Chemical Theory and Computation 封面图
Journal of Chemical Theory and Computation
IF:
5.5
论文数:
1.1W
被引数:
5.4W

机构

P
peking university
学者数:
11.9W
论文数: 8.7W
被引数: 146
S
Shenzhen Bay Laboratory
学者数:
1.5K
论文数: 912
被引数: 1
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