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相关论文: Active Learning of Uniformly Accurate Inter-atomic…

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Accurate potential energy surface (PES) descriptions are essential for atomistic simulations of materials. Universal machine learning interatomic potentials (UMLIPs)$^{1-3}$ offer a computationally efficient alternative to density…

As vast databases of chemical identities become increasingly available, the challenge shifts to how we effectively explore and leverage these resources to study molecular properties. This paper presents an active learning approach for…

机器学习 · 计算机科学 2025-07-17 Ayana Ghosh , Maxim Ziatdinov , Sergei V. Kalinin

Dynamics of flexible molecules are often determined by an interplay between local chemical bond fluctuations and conformational changes driven by long-range electrostatics and van der Waals interactions. This interplay between interactions…

Although generative models hold promise for discovering molecules with optimized desired properties, they often fail to suggest synthesizable molecules that improve upon the known molecules seen in training. We find that a key limitation is…

机器学习 · 计算机科学 2025-01-07 Evan R. Antoniuk , Peggy Li , Nathan Keilbart , Stephen Weitzner , Bhavya Kailkhura , Anna M. Hiszpanski

``$\Delta$-machine learning" refers to a machine learning approach to bring a property such as a potential energy surface (PES) based on low-level (LL) density functional theory (DFT) energies and gradients to close to a coupled cluster…

化学物理 · 物理学 2021-05-21 Apurba Nandi , Chen Qu , Paul Houston , Riccardo Conte , Joel M. Bowman

We present a simple, yet general, end-to-end deep neural network representation of the potential energy surface for atomic and molecular systems. This methodology, which we call Deep Potential, is "first-principle" based, in the sense that…

计算物理 · 物理学 2020-07-20 Jiequn Han , Linfeng Zhang , Roberto Car , Weinan E

The discovery of new energetic materials is critical for advancing technologies from defense to private industry. However, experimental approaches remain slow and expensive while computational alternatives require accurate material property…

In this work, we present a general machine learning approach for full-dimensional potential energy surfaces for tetra-atomic systems. Our method employs an active learning scheme trained on {\it ab initio} points, which size grows based on…

化学物理 · 物理学 2023-10-12 Xiangyue Liu , Weiqi Wang , Jesús Pérez-Ríos

Machine-learning potentials (MLPs) have become important tools for modern molecular simulations. However, developing models that simultaneously achieve high accuracy and high computational efficiency remains a significant challenge. In this…

化学物理 · 物理学 2026-02-17 Xinze Li , Ruitao Ma , Chen Qu , Dong H. Zhang , Qi Yu

The development of accurate and transferable machine learning (ML) potentials for predicting molecular energetics is a challenging task. The process of data generation to train such ML potentials is a task neither well understood nor…

计算物理 · 物理学 2018-05-25 Justin S. Smith , Ben Nebgen , Nicholas Lubbers , Olexandr Isayev , Adrian E. Roitberg

Interatomic potential models based on machine learning (ML) are rapidly developing as tools for materials simulations. However, because of their flexibility, they require large fitting databases that are normally created with substantial…

材料科学 · 物理学 2019-11-19 Noam Bernstein , Gábor Csányi , Volker L. Deringer

Accurate interatomic potentials (IAPs) are essential for modeling the potential energy surfaces (PES) that govern atomic interactions in materials. However, most existing IAPs are developed for bulk materials and often struggle to…

Machine learning potentials (MLPs) achieve near first-principles accuracy but often fail for atomic environments outside the training distribution. Active learning can mitigate this limitation; however, its application to large-scale…

计算物理 · 物理学 2026-04-16 Junjie Wang , Shuning Pan , Haoting Zhang , Qiuhan Jia , Chi Ding , Zheyong Fan , Jian Sun

An efficient and trajectory-free active learning method is proposed to automatically sample data points for constructing globally accurate reactive potential energy surfaces (PESs) using neural networks (NNs). Although NNs do not provide…

化学物理 · 物理学 2020-05-20 Qidong Lin , Yaolong Zhang , Bin Zhao , Bin Jiang

The predictive simulation of molecular liquids requires models that are not only accurate, but computationally efficient enough to handle the large systems and long time scales required for reliable prediction of macroscopic properties. We…

A neural network-based machine learning potential energy surface (PES) expressed in a matrix product operator (NN-MPO) is proposed. The MPO form enables efficient evaluation of high-dimensional integrals that arise in solving the…

机器学习 · 计算机科学 2025-05-07 Kentaro Hino , Yuki Kurashige

Synthetic polymeric materials underpin fundamental technologies in the energy, electronics, consumer goods, and medical sectors, yet their development still suffers from prolonged design timelines. Although polymer informatics tools have…

计算工程、金融与科学 · 计算机科学 2025-06-12 Ayush Jain , Rampi Ramprasad

In recent years, many types of machine learning potentials (MLPs) have been introduced, which are able to represent high-dimensional potential-energy surfaces (PES) with close to first-principles accuracy. Most current MLPs rely on atomic…

材料科学 · 物理学 2022-04-06 Marius Herbold , Jörg Behler

Active learning (AL) can drastically accelerate materials discovery; its power has been shown in various classes of materials and target properties. Prior efforts have used machine learning models for the optimal selection of physical…

Extracting scientific results from high-energy collider data involves the comparison of data collected from the experiments with synthetic data produced from computationally-intensive simulations. Comparisons of experimental data and…

高能物理 - 实验 · 物理学 2022-11-23 Matthew Feickert , Mihir Katare , Mark Neubauer , Avik Roy