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.

Accelerated Integration of Stiff Reactive Systems Using Gradient-Informed Autoencoder and Neural Ordinary Differential Equation

This paper proposes an enhanced data-driven reduced-order model combining autoencoders and neural ordinary differential equations with a novel latent gradient loss term, demonstrating significantly improved accuracy, robustness, and computational efficiency for simulating stiff hydrogen and ammonia-air ignition dynamics compared to traditional methods.

Mert Yakup Baykan, Vijayamanikandan Vijayarangan, Dong-hyuk Shin, Hong G. Im2026-03-18🔬 physics

FFTArray: A Python Library for the Implementation of Discretized Multi-Dimensional Fourier Transforms

FFTArray is a modular, open-source Python library built on the Array API Standard that simplifies the implementation of discretized multi-dimensional Fourier transforms for pseudo-spectral methods by automating complex grid and scaling corrections while ensuring compatibility with diverse backends like NumPy, JAX, and PyTorch.

Stefan J. Seckmeyer, Christian Struckmann, Gabriel Müller, Jan-Niclas Kirsten-Siemß, Naceur Gaaloul2026-03-18⚛️ quant-ph

Physics-Informed Video Diffusion For Shallow Water Equations

This paper proposes a physics-informed video diffusion framework that integrates physical constraints directly into the generative process to simultaneously produce realistic, temporally coherent water flow videos and accurate physical states based on shallow water equations, outperforming both purely data-driven models and traditional simulation pipelines in terms of fidelity and speed.

Yang Bai, George Eskandar, Ziyuan Liu, Gitta Kutyniok2026-03-18💻 cs

A unified variational framework for phase-field fracture and third-medium contact in finite deformation hyperelasticity

This paper introduces a unified variational framework that integrates phase-field fracture and third-medium contact within finite deformation hyperelasticity by regularizing both crack topology and contact interfaces, thereby eliminating the need for explicit tracking algorithms while successfully simulating complex coupled phenomena like secondary crushing in Brazilian disk tests.

Jaemin Kim, Gukheon Kim, Sungmin Yoon, Dong-Hwa Lee2026-03-18🔬 physics

Physics-informed neural networks for solving strong-field saddle-point equations in strong-field physics with tailored fields

This paper introduces an unsupervised physics-informed neural network with a specialized window parametrization strategy to robustly solve saddle-point equations for strong-field ionization across tailored laser fields, offering a stable alternative to conventional solvers for computing photoelectron momentum distributions and enabling systematic exploration of complex semiclassical regimes.

Jiakang Chen, Sufia Hashim, Carla Figueira de Morisson Faria2026-03-18🔬 physics.atom-ph

Physics-Constrained Neural Closure for Lattice Boltzmann Large-Eddy Simulation

This paper presents a physics-constrained neural network closure for Lattice Boltzmann Large-Eddy Simulation that, by integrating data-driven learning with physical constraints like rotational equivariance and energy transfer matching, achieves superior statistical accuracy and production-ready performance compared to traditional Smagorinsky baselines.

Muhammad Idrees Khan (University of Rome Tor Vergata, Rome, Italy), Sauro Succi (Italian Institute of Technology, Rome, Italy, Harvard University, Cambridge, USA), Hua-Dong Yao (Chalmers University of (…)2026-03-18🔬 physics