Computational physics bridges the gap between abstract theory and real-world observation by using powerful computers to solve complex physical problems. This field allows scientists to simulate everything from the collision of subatomic particles to the swirling dynamics of galaxies, offering insights that traditional experiments alone cannot provide.

On Gist.Science, we continuously process every new preprint in this category from arXiv to make these breakthroughs accessible to everyone. Each entry is accompanied by both a clear, plain-language explanation and a detailed technical summary, ensuring that researchers and curious readers alike can grasp the significance of the latest findings without getting lost in dense equations.

Below are the latest papers in computational physics, curated to keep you at the forefront of this rapidly evolving discipline.

UniMatSim: A High-Throughput Materials Simulation Automation Framework Based on Universal Machine Learning Potentials

The paper introduces UniMatSim, a modular Python framework that unifies diverse universal machine learning interatomic potentials to automate high-throughput materials simulations, demonstrated by successfully screening thousands of candidates to identify stable 2D Lieb-lattice structures with specific magnetic band characteristics.

Yanjin Xiang, Yihan Nie, Yunzhi Gao, Haidi Wang, Wei Hu2026-03-17🔬 cond-mat.mtrl-sci

Building Trust in PINNs: Error Estimation through Finite Difference Methods

This paper proposes a lightweight, post-hoc method that generates interpretable, pointwise error estimates for Physics-informed Neural Networks (PINNs) by solving an error equation via finite difference methods using the PINN's PDE residual, thereby enhancing trust in their predictions without requiring knowledge of the true solution.

Aleksander Krasowski, René P. Klausen, Aycan Celik, Sebastian Lapuschkin, Wojciech Samek, Jonas Naujoks2026-03-17🔬 physics

Physics-Informed Neural Systems for the Simulation of EUV Electromagnetic Wave Diffraction from a Lithography Mask

This paper introduces a novel hybrid Waveguide Neural Operator (WGNO) and evaluates Physics-Informed Neural Networks (PINNs) for simulating Extreme Ultraviolet (EUV) wave diffraction from lithography masks, demonstrating that these neural systems achieve state-of-the-art accuracy with significantly faster inference times and strong generalization compared to traditional numerical solvers.

Vasiliy A. Es'kin, Egor V. Ivanov2026-03-17🔬 physics.app-ph

RadField3D: A Data Generator and Data Format for Deep Learning in Radiation-Protection Dosimetry for Medical Applications

This paper introduces RadField3D, an open-source Geant4-based Monte Carlo simulation tool and a compatible machine-interpretable data format with a Python API, designed to generate 3D radiation field datasets for advancing deep learning research in medical radiation-protection dosimetry.

Felix Lehner, Pasquale Lombardo, Susana Castillo, Oliver Hupe, Marcus Magnor2026-03-16🤖 cs.LG

A GPU-Accelerated Sharp Interface Immersed Boundary Solver for Large Scale Flow Simulations

This paper presents a GPU-accelerated implementation of the sharp-interface immersed boundary solver ViCar3D using OpenACC, CUDA Fortran, and MPI, which achieves a 20-fold speedup and high scalability on multi-GPU systems to enable large-scale simulations of complex 3D flows with up to 200 million mesh points.

Sushrut Kumar, Joshua Romero, Jung-Hee Seo, Massimiliano Fatica, Rajat Mittal2026-03-16🔬 physics

Lithium and Vanadium Intercalation into Bilayer V2Se2O: Ferrimagnetic-Ferroelastic Multiferroics and Anomalous and Spin Transport

This study proposes an intercalation-driven paradigm using Lithium and Vanadium in bilayer V2Se2O to transform altermagnets into room-temperature ferrimagnetic-ferroelastic multiferroics with enhanced spin splitting, half-metallicity, and giant magnetoresistance, thereby enabling advanced spintronic applications.

Long Zhang, Yuxin Liu, Junfeng Ren, Guangqian Ding, Xiaotian Wang, Guangxin Ni, Guoying Gao, Zhenxiang Cheng2026-03-16🔬 physics.app-ph