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The microstructure of the Ti-Al binary system is an area of great interest as it affects material properties and plasticity. Phase transformations induce microstructural changes; therefore, accurately modeling the phase transformations of…

A previously published neural network potential for the description of protonated water clusters up to the protonated water tetramer, H$^+$(H$_2$O)$_4$, at essentially converged coupled cluster accuracy (J. Chem. Theory Comput. 16, 88…

化学物理 · 物理学 2021-02-04 Christoph Schran , Fabien Brieuc , Dominik Marx

In recent years, nonlinear dynamic system identification using artificial neural networks has garnered attention due to its broad potential applications across science and engineering. However, purely data-driven approaches often struggle…

机器学习 · 计算机科学 2025-11-06 Fabian J. Roth , Dominik K. Klein , Maximilian Kannapinn , Jan Peters , Oliver Weeger

Accurate simulations of molecules require high-level electronic-structure theory in combination with rigorous methods for approximating the quantum dynamics. Machine-learning approaches can significantly reduce the computational expense of…

化学物理 · 物理学 2026-02-24 Valerii Andreichev , Jindra Dušek , Markus Meuwly , Jeremy O. Richardson

We investigate the expressive power of deep residual neural networks idealized as continuous dynamical systems through control theory. Specifically, we consider two properties that arise from supervised learning, namely universal…

机器学习 · 计算机科学 2023-09-13 Jingpu Cheng , Qianxiao Li , Ting Lin , Zuowei Shen

We investigate the supervised machine learning of few interacting bosons in optical speckle disorder via artificial neural networks. The learning curve shows an approximately universal power-law scaling for different particle numbers and…

Aided by a neural network representation of the density functional theory (DFT) potential energy landscape of water in the RPBE approximation corrected for dispersion, we calculate several structural and thermodynamic properties of its…

软凝聚态物质 · 物理学 2020-10-26 Oliver Wohlfahrt , Christoph Dellago , Marcello Sega

Continual learning has become a trending topic in machine learning. Recent studies have discovered an interesting phenomenon called loss of plasticity, referring to neural networks gradually losing the ability to learn new tasks. However,…

机器学习 · 计算机科学 2026-02-11 Tianhui Liu , Lili Mou

Neural Networks (NNs) are effective models for refining the accuracy of molecular dynamics, opening up new fields of application. Typically trained bottom-up, atomistic NN potential models can reach first-principle accuracy, while…

化学物理 · 物理学 2025-05-19 Paul Fuchs , Stephan Thaler , Sebastien Röcken , Julija Zavadlav

Large-scale atomistic simulations rely on interatomic potentials providing an efficient representation of atomic energies and forces. Modern machine-learning (ML) potentials provide the most precise representation compared to electronic…

计算物理 · 物理学 2025-04-23 David Immel , Ralf Drautz , Godehard Sutmann

Learning physically structured representations of dynamical systems that include contact between different objects is an important problem for learning-based approaches in robotics. Black-box neural networks can learn to approximately…

机器学习 · 计算机科学 2022-08-16 Andreas Hochlehnert , Alexander Terenin , Steindór Sæmundsson , Marc Peter Deisenroth

In this project we trained a neural network to perform specific interactions between a robot and objects in the environment, through imitation learning. In particular, we tackle the task of moving the robot to a fixed pose with respect to a…

机器人学 · 计算机科学 2021-09-27 Giorgia Adorni , Elia Cereda

The properties of constrained fluids have increasingly gained relevance for applications ranging from materials to biology. In this work, we propose a multiscale model using twin neural networks to investigate the properties of a fluid…

化学物理 · 物理学 2024-08-07 Peiyuan Gao , George Em Karniadakis , Panos Stinis

Traditional force-fields cannot model chemical reactivity, and suffer from low generality without re-fitting. Neural network potentials promise to address these problems, offering energies and forces with near ab-initio accuracy at low…

化学物理 · 物理学 2017-11-21 Kun Yao , John E. Herr , David W. Toth , Ryker Mcintyre , John Parkhill

This work presents a novel methodology for analysis and control of nonlinear fluid systems using neural networks. The approach is demonstrated on four different study cases being the Lorenz system, a modified version of the…

流体动力学 · 物理学 2023-08-28 Tarcísio Déda , William Wolf , Scott Dawson

Neural networks for computer vision extract uninterpretable features despite achieving high accuracy on benchmarks. In contrast, humans can explain their predictions using succinct and intuitive descriptions. To incorporate explainability…

计算机视觉与模式识别 · 计算机科学 2023-07-04 Khalid Saifullah , Yuxin Wen , Jonas Geiping , Micah Goldblum , Tom Goldstein

Convolutional networks are ubiquitous in deep learning. They are particularly useful for images, as they reduce the number of parameters, reduce training time, and increase accuracy. However, as a model of the brain they are seriously…

机器学习 · 计算机科学 2022-01-19 Roman Pogodin , Yash Mehta , Timothy P. Lillicrap , Peter E. Latham

Relevant to broad applied fields and natural processes, interfacial ionic hydrates has been widely studied by ultrahigh-resolution atomic force microscopy (AFM). However, the complex relationship between AFM signal and the investigated…

介观与纳米尺度物理 · 物理学 2023-04-25 Binze Tang , Yizhi Song , Mian Qin , Ye Tian , Duanyun Cao , Zhen Wei Wu , Ying Jiang , Limei Xu

Analog machine learning hardware platforms promise to be faster and more energy-efficient than their digital counterparts. Wave physics, as found in acoustics and optics, is a natural candidate for building analog processors for…

计算物理 · 物理学 2019-12-24 Tyler W. Hughes , Ian A. D. Williamson , Momchil Minkov , Shanhui Fan

Amorphous and amorphous porous palladium are key materials for catalysis, hydrogen storage, and functional applications, but their complex structures present computational challenges. This study employs a deep neural network trained on…

材料科学 · 物理学 2025-02-11 Isaías Rodríguez