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.

A Reaction-Advection-Diffusion Model to describe Non-Uniformities in Colorimetric Sensing using Thin Porous Substrates

This study develops and validates a reaction-advection-diffusion model to explain non-uniform color distributions and ring-like patterns in paper-based colorimetric sensors, demonstrating that mass transport and reaction dynamics alone can drive spatial variations without evaporation, thereby providing critical insights for optimizing sensor design and protocols.

Kulkarni Namratha, S. Pushpavanam2026-03-27🔬 physics

Adaptive finite volume-particle method for free surface flows

This paper introduces an adaptive finite volume-particle method (AFVPM) that synergistically combines an Eulerian finite volume approach for bulk flow regions with a Lagrangian smoothed particle hydrodynamics formulation for free surface tracking, utilizing a dynamic conversion strategy and buffer region algorithm to achieve superior accuracy and efficiency in simulating complex free surface flows compared to full SPH methods.

Jiawang Zhang, Fengxiang Zhao, Kun Xu2026-03-27🔬 physics

Enabling ab initio geometry optimization of strongly correlated systems with transferable deep quantum Monte Carlo

This paper presents a framework that combines transferable deep-learning variational Monte Carlo with Gaussian process regression to enable accurate and efficient *ab initio* geometry optimization and potential energy surface exploration for strongly correlated systems, achieving zero-shot chemical accuracy across diverse molecular configurations.

P. Bernát Szabó, Zeno Schätzle, Frank Noé2026-03-27🔬 physics

Physics-Informed Neural Operator for Electromagnetic Inverse Scattering Problems

This paper proposes a Physics-Informed Neural Operator (PINO) framework that jointly optimizes learnable dielectric properties and induced current distributions via a hybrid loss function, demonstrating superior accuracy and robustness in solving complex electromagnetic inverse scattering problems across diverse scenarios compared to conventional methods.

Q. C. Dong (David), Zi-Xuan Su (David), Qing Huo Liu (David), Wen Chen (David), Zhizhang (David), Chen2026-03-27🔬 physics

General-Purpose Machine-Learned Potential for CrCoNi Alloys Enabling Large-Scale Atomistic Simulations with First-Principles Accuracy

This paper presents a general-purpose, machine-learned interatomic potential for CrCoNi alloys based on the neuroevolution potential framework that achieves near first-principles accuracy across the full compositional range, enabling efficient large-scale simulations of complex phenomena like short-range order and composition-dependent mechanical properties.

Yong-Chao Wu, Tero Mäkinen, Mikko Alava, Amin Esfandiarpour2026-03-27🔬 cond-mat.mtrl-sci