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Machine-learning force fields enable an accurate and universal description of the potential energy surface of molecules and materials on the basis of a training set of ab initio data. However, large-scale applications of these methods rest…

计算物理 · 物理学 2023-07-25 Valerio Briganti , Alessandro Lunghi

Machine-learned force fields have generated significant interest in recent years as a tool for molecular dynamics (MD) simulations, with the aim of developing accurate and efficient models that can replace classical interatomic potentials.…

机器学习 · 计算机科学 2023-04-05 Shaswat Mohanty , Sanghyuk Yoo , Keonwook Kang , Wei Cai

The accumulation of self-propelled particles on repulsive barriers is a widely observed feature in active matter. Despite being implicated in a broad range of biological processes, from biofilm formation to cytoskeletal movement, wetting of…

统计力学 · 物理学 2025-12-12 Noah Grodzinski , Michael E. Cates , Robert L. Jack

Intrinsically disordered proteins (IDPs) play a significant role in intracellular phenomena and are known to exist in an ensemble of inter-converting conformations in solution. Accurately modeling the conformations of IDPs in solution poses…

生物物理 · 物理学 2025-08-27 Rohan S. Adhikari , Winnie H. Shi , Amanda B. Marciel , Walter G. Chapman

The solid acids CsH$_2$PO$_4$ and Cs$_7$(H$_4$PO$_4$)(H$_2$PO$_4$)$_8$ pose significant challenges for the simulation of proton transport phenomena. In this work, we use the recently developed machine-learned force field (MLFF) MACE to…

The answers to many unsolved problems lie in the intractable chemical space of molecules and materials. Machine learning techniques are rapidly growing in popularity as a way to compress and explore chemical space efficiently. One of the…

化学物理 · 物理学 2020-01-06 John E. Herr , Kevin Koh , Kun Yao , John Parkhill

Atomistic simulations using accurate energy functions can provide molecular-level insight into functional motions of molecules in the gas- and in the condensed phase. Together with recently developed and currently pursued efforts in…

化学物理 · 物理学 2022-01-12 M. Meuwly

Ion hydration and interfacial water play crucial roles in numerous phenomena ranging from biological to industrial systems. Although biologically relevant (and mostly smaller) ions have been studied extensively in this context, very little…

软凝聚态物质 · 物理学 2019-01-01 William Rock , Baofu Qiao , Tiecheng Zhou , Aurora E. Clark , Ahmet Uysal

We report Molecular Dynamics simulations for a new model of tetrahedral network glass-former, based on short-range, spherical potentials. Despite the simplicity of the forcefield employed, our model reproduces some essential physical…

统计力学 · 物理学 2016-09-08 D. Coslovich , G. Pastore

A polarizable force-field (FF) model for short- and long-alkane chains and amide derivatives was constructed based solely on accurate quantum chemical (QC) calculations. First, the FF model accuracy was accessed by performing molecular…

Statistical learning algorithms are finding more and more applications in science and technology. Atomic-scale modeling is no exception, with machine learning becoming commonplace as a tool to predict energy, forces and properties of…

化学物理 · 物理学 2020-12-09 Félix Musil , Michele Ceriotti

Hybrid molecular dynamics/Monte Carlo simulations used to study melts of unentangled, thermoreversibly associating supramolecular polymers. In this first of a series of papers, we describe and validate a model that is effective in…

软凝聚态物质 · 物理学 2015-05-13 Robert S. Hoy , Glenn H. Fredrickson

Applications of deep learning to physical simulations such as Computational Fluid Dynamics have recently experienced a surge in interest, and their viability has been demonstrated in different domains. However, due to the highly complex,…

机器学习 · 计算机科学 2025-03-19 Giuseppe Bruni , Sepehr Maleki , Senthil K. Krishnababu

The behavior of an atom in a molecule, liquid or solid is governed by the force it experiences. If the dependence of this vectorial force on the atomic chemical environment can be $learned$ efficiently with high-fidelity from benchmark…

材料科学 · 物理学 2015-10-28 Venkatesh Botu , Rampi Ramprasad

In molecular simulations, neural network force fields aim at achieving \emph{ab initio} accuracy with reduced computational cost. This work introduces enhancements to the Deep Potential network architecture, integrating a message-passing…

计算物理 · 物理学 2024-04-09 Ruiqi Gao , Yifan Li , Roberto Car

Accurate, yet computationally efficient energy functions are essential for state-of-the art molecular dynamics (MD) studies of condensed phase systems. Here, a generic workflow based on a combination of machine learning-based and empirical…

化学物理 · 物理学 2025-07-01 Eric D. Boittier , Silvan Käser , Markus Meuwly

We present an ab initio molecular dynamics (MD) investigation of the tautomeric equilibrium for aqueous solutions of glycine and acetone at realistic experimental conditions. Metadynamics is used to accelerate proton migration among…

软凝聚态物质 · 物理学 2020-12-29 Emanuele Grifoni , GiovanniMaria Piccini , Michele Parrinello

We use numerical simulation to examine the possibility of a reversible liquid-liquid transition in supercooled water and related systems. In particular, for two atomistic models of water, we have computed free energies as functions of…

统计力学 · 物理学 2012-05-11 David T. Limmer , David Chandler

The properties of complexes with transuranium elements have long been the object of research in various fields of chemistry. However, their experimental study is complicated by their rarity, high cost and special conditions necessary for…

化学物理 · 物理学 2025-09-29 Kirill V. Karpov , Ivan S. Pikulin , Grigory V. Bokov , Artem A. Mitrofanov

Molecular dynamics simulations are performed to study the temperature-dependent dynamics and structures of the hydration shells of elastin-like and collagen-like peptides. For both model peptides, it is consistently observed that, upon…

软凝聚态物质 · 物理学 2009-02-23 Michael Vogel