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.

Superstatistical Approach to Turbulent Circulation Fluctuations

This paper demonstrates that turbulent circulation fluctuations in homogeneous and isotropic turbulence can be accurately modeled using a superstatistical framework based on q-exponentials, linking the dissipation field to small-scale vortices and opening new avenues for understanding turbulence through non-extensive statistical mechanics.

Henrique S. Lima, Rodrigo M. Pereira, Luca Moriconi, Katepalli R. Sreenivasan2026-04-17🔬 physics

Learning-Based Estimation of Spatially Resolved Scatter Radiation Fields in Interventional Radiology

This paper introduces a lightweight, fully connected neural network framework trained on synthetic Monte Carlo datasets to accurately estimate three-dimensional, spatially resolved scatter radiation fields for interventional radiology dosimetry, achieving high spatial agreement and a consistent SMAPE above 84% while providing open-source datasets and tools.

Felix Lehner, Pasquale Lombardo, Susana Castillo, Oliver Hupe, Marcus Magnor2026-04-16🔬 physics

AeTHERON: Autoregressive Topology-aware Heterogeneous Graph Operator Network for Fluid-Structure Interaction

This paper introduces AeTHERON, a physics-informed heterogeneous graph neural operator that leverages a dual-graph architecture and sparse cross-attention to efficiently and accurately model complex fluid-structure interactions in flapping flexible fins, achieving high-fidelity temporal extrapolation with significantly reduced computational costs compared to traditional direct numerical simulations.

Sushrut Kumar2026-04-16🔬 physics

Coarse-Grained Model of the Sodium Dodecyl Sulfate Anionic Surfactant Based on the MDPD--Martini Force Field

This paper presents a transferable coarse-grained model for sodium dodecyl sulfate (SDS) in water based on the MDPD–Martini force field, which successfully reproduces experimental surface tension isotherms and offers a credible alternative to traditional MD–Martini simulations for charged soft-matter systems.

Luís H. Carnevale, Gabriela Niechwiadowicz, Panagiotis E. Theodorakis2026-04-16🔬 cond-mat

Enhancing Event Reconstruction in Hyper-Kamiokande with Machine Learning: A ResNet Implementation

This paper demonstrates that a ResNet-based machine learning framework (WatChMaL) can achieve particle classification and kinematic reconstruction for Hyper-Kamiokande events with accuracy comparable to traditional methods while offering a massive speed-up of over 30,000 times, thereby enabling the processing of the experiment's required large-scale Monte Carlo datasets.

Andrew Atta, Nick Prouse, Shuoyu Chen, Kimihiro Okumura, Patrick de Perio, Eric Thrane, Phillip Urquijo2026-04-16⚛️ hep-ex

Hierarchical Bayesian calibration of mesoscopic models for ultrasound contrast agents from force spectroscopy data

This paper presents a surrogate-accelerated hierarchical Bayesian calibration framework that successfully derives data-informed dissipative particle dynamics models for commercial ultrasound contrast agents by inferring their mechanical parameters from force spectroscopy data across multiple bubble diameters.

Brieuc Benvegnen, Nikolaos Ntarakas, Tilen Potisk, Ignacio Pagonabarraga, Matej Praprotnik2026-04-16🔬 cond-mat.mes-hall