Automatic generation of exchange-correlation response kernelsComputing density-functional response properties requires contracting derivatives of the exchange--correlation (xc) energy with perturbed densities on a grid. While the xc functional's…Susi Lehtola·Aug 26, 2026·Top 16%SaveLearn
A unified gas-kinetic wave-particle method for multiscale gas-mixture flow with an elementary chemical reactionHypersonic flows in the near space often couple continuum-rarefied multiscale effect with finite-rate chemistry. This paper extends the UGKWP method to multiscale gas mixture flows with a single…Cao Junzhe, Wei Yufeng, Long Wenpei et al.·Aug 26, 2026·Top 60%SaveLearn
Energy Yield and Lifetime Climate Classification via Machine Learning for Optimizing Photovoltaic Module Design and MaterialsTo resiliently and sustainably meet our future energy demand, photovoltaic (PV) modules must be deployed across a broad and diverse range of geographical regions with varying operating conditions. As…Youri Blom, Sofia Dutto, Alexandru Costache et al.·Aug 26, 2026·Top 91%SaveLearn
Rapidly Convergent Finite-Element Domain Decomposition Method With Two-Channel Transmission ConditionsA novel dual-primal finite element tearing and interconnecting (FETI-DP) domain decomposition method (DDM) is introduced for solving Maxwell's equations. The proposed method is built upon a…Furkan Şık, Fernando L. Teixeira, Balasubramaniam Shanker·Aug 25, 2026·Top 75%SaveLearn
A sharp-diffuse interface model for intermittent and isolated topological transitionsWe propose a hybrid sharp-diffuse interface representation for modeling intermittent and isolated topological transitions during Cahn-Hilliard phase coarsening. Away from topological events, the…Raaghav Ramani·Aug 25, 2026·Top 44%SaveLearn
Macroparticles with different weights relax to different temperatures in Particle-In-Cell simulationsA distinctive feature of Particle-In-Cell (PIC) simulations is the use of macroparticles, each representing many physical particles. The associated macroparticle weight can vary from one species to…Remi Lehe, Arianna Formenti, Justin R. Angus et al.·Aug 24, 2026·Top 41%SaveLearn
First-Principles Electron-Magnon Coupling with Machine-Learning Hamiltonians: From Band Renormalization to TransportIn analogy to electron-phonon coupling (EPC), electron-magnon coupling (EMC) is expected to shape electronic structure, transport, and possibly unconventional superconductivity in magnetic materials.…Shixu Liu, Xingding Li, Haozhe Li et al.·Aug 24, 2026·Top 4%SaveLearn
Volume-Surface-Wire Integral Equations for EEG Source ImagingIn EEG source imaging, the precision of the imaging of the brain activity depends on the accuracy of the forward head model which is, in turn, affected by the representation of tissue conductivity,…Paolo Ricci, Maxime Monin, Alessandro Mascherin et al.·Aug 23, 2026SaveLearn
A well-balanced weakly compressible SPH formulation for free-surface flows and its GPU implementationThis study proposes a well-balanced formulation of weakly compressible smoothed particle hydrodynamics (WCSPH) for free-surface flows, which preserves hydrostatic equilibrium exactly at the discrete…Jiawang Zhang, Fengxiang Zhao, Jianping Gan et al.·Aug 23, 2026SaveLearn
Inverted model selection in physics-informed neural networks: when a lower residual selects a worse solutionPhysics-informed neural networks (PINNs) are commonly evaluated via a single aggregate residual, assuming a smaller residual indicates a better solution. Testing this directly across three…Rabiu Musah·Aug 21, 2026·Top 7%SaveLearn
Resolving positive semi-definiteness in physics-informed kernels for scientific machine learningMany modern machine learning models can be understood as kernel-based function-space models, including Gaussian processes and neural tangent kernels. In scientific machine learning, differential…J. Moser, C. Albert, S. Ranftl·Aug 21, 2026·Top 10%SaveLearn
Resonant state expansion for acoustic resonators. Part II. Scattering problemWe develop a resonant-state expansion formulation for acoustic scattering by individual resonators. The scattered pressure and particle-velocity fields are expanded over the resonant states of the…Egor Domoratskii, Vladimir Igoshin, Nikolay Solodovchenko et al.·Aug 20, 2026·Top 32%SaveLearn
Resonant state expansion for acoustic resonators. Part I. Eigenvalue problemResonant-state expansion (RSE) is a powerful modal framework for the perturbative analysis of open resonant systems, providing direct access to complex eigenfrequencies and eigenmodes. While RSE is…Egor Domoratskii, Vladimir Igoshin, Nikolay Solodovchenko et al.·Aug 20, 2026·Top 22%SaveLearn
Diagonalization of the Landau Hamiltonian with a Periodic Potential via a Galerkin Projection Method and Applications to Topological Band PropertiesIn this paper, we study the numerical computation of eigenfunctions of the Landau Hamiltonian with a periodic potential. We propose a spectral method using the eigenfunctions of the Landau operator…Rafael Antonio Lainez Reyes, Benjamin Stamm, Hans Peter Büchler·Aug 20, 2026·Top 97%SaveLearn
Investigation of the Asymptotic Properties of Active Impedance in Large Finite Array AntennasThis paper presents an improved full-wave solver for finite array antennas, and uses this solver to examine asymptotic properties of active impedance for large regular arrays. The improved solver is…Harald Hultin, Lucas Åkerstedt, B. L. G. Jonsson·Aug 18, 2026·Top 79%SaveLearn
Probabilistic Inverse Modeling of Contaminant Transport via a Conditioned-on-Design Bayesian Physics Informed Neural NetworkWe address the inverse problem of reactive transport in heterogeneous porous media, where unknown model parameters must be inferred from sparse experimental observations. The problem is complicated…Milad Panahi, Giovanni Michele Porta, Monica Riva et al.·Aug 18, 2026·Top 66%SaveLearn
Agentic Porting, Construction and Initial Verification and Validation of Libraries within the Open Source Unified TRAnsient Multi-Phase Advanced Reactor simulation Kit (Outram Park) Part I: Thermal HydraulicsAgentic porting of multiple open-source libraries into Rust, with human in the loop, has been performed for construction of modules within the Open-source Unified TRAnsient Multi-Phase Advanced…Theodore Kay Chen Ong, Ethan Yew Hoe Wong, Sicong Xiao·Aug 18, 2026·Top 100%SaveLearn
Validating direct solvers for Newton's gravitational N-body problem, and the systematic comparison between IEEE floating point and PositsWe present a systematic comparison between arbitrary precise arithmetic and integration, IEEE-754 compliant floating point arithmetic (fp16, bfp16, fp32, double precision fp64, and quadruple…Simon Portegies Zwart·Aug 17, 2026·Top 85%SaveLearn
Differential-Embedding Reconstruction of Dynamical Systems from Scalar Time SeriesWe study the reconstruction of an unknown dynamical system from a single noisy scalar time series. The goal is to recover the underlying dynamics for forecasting. We introduce a method that uses…Ameir Shaa, Claude Guet·Aug 17, 2026·Top 82%SaveLearn
Unlocking Multi-Component Bulk-Materials Molecular Dynamics with a Small-Footprint Machine Learning Interatomic PotentialBulk materials, as opposed to nanomaterials, require molecular dynamics (MD) simulations on a large spatial scale (~109 atoms or more) to adequately capture their atomic-scale physical properties.…Yucheng Ouyang, Xin Chen, Ying Liu et al.·Aug 17, 2026SaveLearn
Scalable dynamical inference of phase-field fracture from sparse and partial measurementsEvolving crack fields in structural health monitoring and fracture assessment must often be inferred from sparse mechanical measurements rather than dense full-field observations. We develop…Hanfeng Zhai, Zisheng Zhang·Aug 15, 2026·Top 54%SaveLearn
Conforming and nonconforming Trefftz approximations for two-dimensional scalar electromagnetic problemsTrefftz functions satisfy the differential equation locally and exactly; quasi-Trefftz functions do so approximately to prescribed high order. This paper considers (quasi-)Trefftz approximations for…Igor Tsukerman·Aug 15, 2026·Top 63%SaveLearn
Plasolver: Physics-Informed Neural Operators for ElastoplasticityElastoplastic analysis is computationally demanding because its nonlinear, path-dependent constitutive behavior requires incremental loading and repeated iterative solutions. To address this…Yizheng Wang, Mohammad Sadegh Eshaghi, Huadong Zhang et al.·Aug 15, 2026·Top 19%SaveLearn
Updated all-electron Dirac--Fock densities and an element-adaptive parameterisation of scattering factors and potentials for neutral atomsUpdated reference data and an analytic parameterisation of elastic electron and X-ray scattering are presented for all 118 neutral atoms. The reference electron densities for the multi-electron…Ivan Lobato, Zezhong Zhang, Sandra Van Aert et al.·Aug 14, 2026·Top 13%SaveLearn
Learning Spin Hamiltonians from Terahertz Two-Dimensional Coherent SpectroscopyEffective Hamiltonians connect microscopic interactions to measurable collective behavior in quantum materials, but determining their parameters directly from experiment remains a challenging inverse…Martin Mootz, Chuankun Huang, Liang Luo et al.·Aug 14, 2026·Top 35%SaveLearn