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.

JAWS: Enhancing Long-term Rollout of Neural Operators via Spatially-Adaptive Jacobian Regularization

The paper introduces JAWS, a probabilistic regularization strategy that dynamically modulates Jacobian constraints based on local physical complexity to resolve the contraction-dissipation dilemma, thereby enabling memory-efficient, short-horizon optimization to achieve superior long-term stability and accuracy in neural operator rollouts for dynamical systems.

Fengxiang Nie, Yasuhiro Suzuki2026-03-09🤖 cs.AI

Towards Efficient and Stable Ocean State Forecasting: A Continuous-Time Koopman Approach

This paper demonstrates that the Continuous-Time Koopman Autoencoder (CT-KAE) serves as a lightweight, stable, and efficient surrogate model for long-horizon ocean state forecasting, outperforming autoregressive Transformer baselines by maintaining bounded errors and consistent large-scale statistics over 2083-day rollouts while enabling resolution-invariant predictions.

Rares Grozavescu, Pengyu Zhang, Mark Girolami, Etienne Meunier2026-03-09🔬 physics.app-ph

Hybrid ensemble forecasting combining physics-based and machine-learning predictions through spectral nudging

This paper introduces a novel hybrid ensemble forecasting framework that uses spectral nudging to integrate machine-learned large-scale guidance with physics-based mesoscale dynamics, resulting in significant forecast skill improvements of up to two days in the tropics and enhanced tropical cyclone track predictions without compromising storm intensity or ensemble spread.

Inna Polichtchouk, Simon Lang, Sarah-Jane Lock, Michael Maier-Gerber, Peter Dueben2026-03-09🔬 physics

Non-intrusive Monitoring of Sealed Microreactor Cores Using Physics-Informed Muon Scattering Tomography With Momentum Measurements

This paper introduces μ\muTRec, a physics-informed muon scattering tomography framework that significantly enhances the detection of missing fuel in sealed microreactor cores by reconstructing curved muon trajectories and incorporating momentum measurements, thereby outperforming conventional methods like PoCA in both sensitivity and speed under realistic cosmic-ray conditions.

Reshma Ughade, Stylianos Chatzidakis2026-03-09🔬 physics.app-ph

Accelerating Numerical Relativity Simulations with New Multistep Fourth-Order Runge-Kutta Methods

This paper introduces and validates new explicit fourth-order Multistep Runge-Kutta (MSRK) methods that accelerate Numerical Relativity simulations by reusing data from previous time steps to reduce intermediate stage evaluations, while providing a procedure to tune coefficients for maximizing stable time step sizes.

Lucas Timotheo Sanches, Steven Robert Brandt, Jay Kalinani, Liwei Ji, Erik Schnetter2026-03-09🔬 physics