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In a world increasingly awash with data, the need to extract meaningful insights from data has never been more crucial. Functional Data Analysis (FDA) goes beyond traditional data points, treating data as dynamic, continuous functions,…

Statistics Theory · Mathematics 2024-04-26 Sophie Dabo-Niang , Camille Frévent

Foundation models are multi-dataset and multi-task machine learning methods that once pre-trained can be fine-tuned for a large variety of downstream applications. The successful development of such general-purpose models for physics data…

High Energy Physics - Phenomenology · Physics 2024-09-10 Joschka Birk , Anna Hallin , Gregor Kasieczka

Crystal defects are often rationalized through broken-bond counting via the nearest neighbor coordination number. In this work, we highlight that this perspective overlooks intrinsic heterogeneities in interatomic spacing that decisively…

Materials Science · Physics 2025-08-26 Reza Darvishi Kamachali , Theophilus Wallis

Intense electrostatic fields, such as those able to break bonds and cause field-ion emission, can fundamentally alter the behaviour of atoms at and on the surface. Using density functional theory (DFT) calculations on the Li (110) surface…

Materials Science · Physics 2025-02-11 Shyam Katnagallu , Huan Zhao , Se-Ho Kim , Baptiste Gault , Christoph Freysoldt , Jörg Neugebauer

Due to the highly complex chemical structure of biomolecules, the extensive understanding of the electronic information for proteomics can be challenging. Here, we constructed a charge transfer database at residue level derived from…

Chemical Physics · Physics 2019-04-05 Fang Liu , Hongwei Wang , Dongju Zhang , Likai Du

A quantum field theoretic formulation of the dynamics of the Contact Process on a regular graph of degree z is introduced. A perturbative calculation in powers of 1/z of the effective potential for the density of particles phi(t) and an…

Statistical Mechanics · Physics 2016-08-16 Christophe Deroulers , Rémi Monasson

Machine Learning (ML) models have, in contrast to their usefulness in molecular dynamics studies, had limited success as surrogate potentials for reaction barrier search. It is due to the scarcity of training data in relevant transition…

Chemical Physics · Physics 2022-09-02 Mathias Schreiner , Arghya Bhowmik , Tejs Vegge , Jonas Busk , Ole Winther

Machine learning force fields (MLFF) have been proposed to accelerate molecular dynamics (MD) simulation, which finds widespread applications in chemistry and biomedical research. Even for the most data-efficient MLFFs, reaching chemical…

Quantitative Methods · Quantitative Biology 2023-06-07 Alexander Bukharin , Tianyi Liu , Shengjie Wang , Simiao Zuo , Weihao Gao , Wen Yan , Tuo Zhao

The rapid expansion of large foundation models within the pre-training and fine-tuning framework has underscored that larger models often yield better results. However, the scaling up of large foundation models has led to soaring costs in…

Machine Learning · Computer Science 2024-12-30 Chongjie Si , Xiaokang Yang , Wei Shen

The values of molecular polarizabilities and softnesses of the twenty amino acids were computed ab initio (MP2). By using the iterative Hirshfeld scheme to partition the molecular electronic properties, we demonstrate that the values of the…

Chemical Physics · Physics 2010-09-29 Alisa Krishta , Patrick Senet , Christian Van Alsenoy

Most biological processes are described as a series of interactions between proteins and other molecules, and interactions are in turn described in terms of atomic structures. To annotate protein functions as sets of interaction states at…

Biomolecules · Quantitative Biology 2012-02-13 Akira R. Kinjo , Haruki Nakamura

Recently, data exchange platforms have emerged in the digital economy to enable better resource allocation in a data-driven society, which requires cross-organizational data collaborations. Understanding the characteristics of the data on…

Social and Information Networks · Computer Science 2020-03-12 Teruaki Hayashi , Yukio Ohsawa

The anisotropic feature of charge transfer reactions in realistic proteins cannot be ignored, due to the highly complex chemical structure of bio-molecules. In this work, we have performed the first large-scale quantitative assessment of…

Chemical Physics · Physics 2018-04-17 Hongwei Wang , Fang Liu , Tiange Dong , Likai Du , Dongju Zhang , Jun Gao

Machine learned chemical potentials have shown great promise as alternatives to conventional computational chemistry methods to represent the potential energy of a given atomic or molecular system as a function of its geometry. However,…

Chemical Physics · Physics 2023-11-15 Christian Devereux , Yoona Yang , Carles Martí , Judit Zádor , Michael S. Eldred , Habib N. Najm

For the first time the potential energy surfaces of actinide nuclei in the $(\beta_{20}, \beta_{22}, \beta_{30})$ deformation space are obtained from a multi-dimensional constrained covariant density functional theory. With this newly…

Nuclear Theory · Physics 2015-03-19 Bing-Nan Lu , En-Guang Zhao , Shan-Gui Zhou

We present recent improvements in the perturbative treatment of particle interactions in Kinetic Field Theory (KFT) for inertial Zel'dovich trajectories. KFT has been developed for the systematic analytical calculation of non-linear cosmic…

Cosmology and Nongalactic Astrophysics · Physics 2022-12-28 Christophe Pixius , Safak Celik , Matthias Bartelmann

The triboelectrification of conducting materials can be explained by electron transfer between different Fermi levels. However, triboelectrification in dielectrics is poorly understood. The surface dipole formations are shown to be caused…

Materials Science · Physics 2018-09-18 Khalid M Abdelaziz , James Chen , Tyler J Hieber , Zayd C Leseman

Predicting favorable protein-peptide binding events remains a central challenge in biophysics, with continued uncertainty surrounding how nonlocal effects shape the global energy landscape. Here, we introduce peripheral surface information…

Biological Physics · Physics 2026-02-03 Tyler Grear , Donald J. Jacobs

The aim of this paper is to revisit the calculation of atom-surface quantum friction in the quantum field theory formulation put forward by Barton [New J. Phys. 12 (2010) 113045]. We show that the power dissipated into field excitations and…

We have investigated the potential energy surface for neutral and charged alanine and glycine chains consisting of up to 6 amino acids. For these molecules we have calculated potential energy surfaces as a function of the Ramachandran…

Atomic and Molecular Clusters · Physics 2007-05-23 Alexander V. Yakubovitch , Ilia A. Solov'yov , Andrey V. Solov'yov , Walter Greiner