From Energy-Force Weighting to Primal-Dual Optimization of Machine-Learned Interatomic PotentialsMachine-learned interatomic potentials are commonly fitted by weighted-sum scalarization, which combines energy and force errors in a single loss. A nominal weight, however, identifies a potential…Chenyu Wang, Yangshuai Wang, Lei Zhang·Oct 1, 2026SaveLearn
MyTm: An Automated Melting Temperature Calculation ToolkitMelting temperature calculation is one of the important topics in computational materials science. In high-throughput in silico screening and artificial intelligence assisted design of materials, it…Y. S. Huang, H. X. Song, Y. Sun et al.·Sep 30, 2026SaveLearn
A Variance-Decomposition Formula for Direct and Adjoint Monte Carlo Particle Transport ProblemsIn fixed-source Monte Carlo particle-transport problems, obtaining an acceptable variance on the sought response is of paramount importance. Currently, the only rigorous tool to analyze the variance…Paul Rovel, Coline Larmier, Davide Mancusi et al.·Sep 30, 2026SaveLearn
The Ganglion Network Model: Evolving Trapped Phases in Porous MediaPartially miscible ganglia trapped within porous media, spanning one or multiple pores and evolving through diffusive mass transfer, are common in subsurface (e.g., CO2 and H2 storage) and…Yashar Mehmani·Sep 30, 2026SaveLearn
Conservation-Syndrome Quantum Error Correction for Lattice-Boltzmann Quantum AlgorithmsReliable multistep quantum lattice-Boltzmann evolution requires controlling computational faults. When ideal collision preserves encoded mass and momentum exactly, changes in those charges can…Muhammad Idrees Khan·Sep 29, 2026SaveLearn
Geometry-Controlled Chern transfer and Flat Band Reconstruction in distorted kagome latticesFlat band formation and nontrivial topology are central manifestations of kagome electronic structure, yet they are commonly discussed in idealized lattice geometries. In distorted kagome materials,…Yu Zhu, Claudia Felser, Xiaolong Feng·Sep 29, 2026SaveLearn
From Bellissard's gap labeling to atomistic quasiperiodic bilayersBellissard's framework uses covariant observables to describe aperiodic solids. We examine how butterfly-like spectra in twisted bilayers can be related to bulk gap labels and topological…Thomas D. Kühne, Vladislav Efremkin, Emil Prodan·Sep 29, 2026SaveLearn
Label-Permutation Symmetry and Stability in Oscillator Potts MachinesOscillator Potts machines (OPMs) provide a physics-inspired, energy-minimization framework for solving combinatorial optimization problems described by the q-state Potts Hamiltonian. Although OPMs…E. M. Hasantha Ekanayake, Nikhil Shukla·Sep 29, 2026SaveLearn
TT-FDTD: Tensor Train Accelerated Three-Dimensional FDTD With Logarithmic Cost of Spatial OperatorsQuantized tensor-train (QTT) compression is incorporated into a full-vector three-dimensional scattered-field finite-difference time-domain (FDTD) formulation on uniform Yee grids. All six…Chris Nguyen, Vladimir Okhmatovski·Sep 29, 2026SaveLearn
Moment hierarchy and exact steady-state solutions in a Callaway lattice Boltzmann model for phonon hydrodynamicsWe analyze the moment hierarchy of a Callaway lattice Boltzmann model for phonon hydrodynamics and derive exact steady-state solutions for a driven planar channel with diffuse walls. The collision…Shimpei Saito·Sep 28, 2026SaveLearn
Permeability and microcrack geometry: Dynamic loading induced evolutionWe propose a crack-geometry-based model for permeability evolution in rocks under dynamic loading. Accurate representation of permeability is important for fluid extraction and containment in…Rigoberto Moncada, Efrem Vitali·Sep 28, 2026SaveLearn
Stochastic Physics-Constrained Operator Inference for Complex SystemsQuadratically nonlinear systems driven by additive noise arise throughout science and engineering, both as stochastic dynamical systems in their own right and as reduced-order models (ROMs) of…Changhong Mou·Sep 27, 2026SaveLearn
When does the moment basis matter in lattice Boltzmann methods?Whether orthogonalising the moment basis changes a central-moment lattice Boltzmann scheme is decided by the geometry of the velocity set. The basis enters the collision only through the conjugate…Alessandro De Rosis·Sep 27, 2026SaveLearn
Uncertainty Quantification for the Fission Matrix Method: A Rigorous Mathematical Framework and Computationally Efficient AlternativesThe fission matrix (FM) method recasts neutron transport in matrix form, enabling fast, interpolation-based reactor calculations from a pre-computed database of Monte Carlo-derived coefficients.…Valerio Mascolino·Sep 27, 2026SaveLearn
Trajectory Paradox is a Boundary Layer!This study derives the asymptotic conditions under which the massless stretched string formulation is valid for the equivalent dynamics of the inertial string carrying a moving point mass.…Kush Kumar, Sovan Lal Das, Shakti S. Gupta·Sep 25, 2026SaveLearn
U(1) Gauge-Equivariant Representation Learning of Bloch StatesRepresentation learning, or featurization, of mean-field Bloch states provides an important route for incorporating electronic information into machine-learning models of first-principles…Chengyan Zhang, Xian Xu, Bowen Hou et al.·Sep 25, 2026SaveLearn
CTrex: A Research-Oriented Framework for Kernel- and Projection-Level Algorithm Development in CT ReconstructionMicro-computed tomography (micro-CT) is increasingly applied to imaging scenarios in which object motion, deformation, truncated fields of view, continuous rotation, or unconventional scanning…Karel Desplenter, Wannes Goethals, Thomas De Schryver et al.·Sep 24, 2026SaveLearn
Monte Carlo sampling of first-order QED processes in laser and pulsar plasmasMonte Carlo sampling of strong-field quantum electrodynamics processes underpins simulations of high-intensity laser experiments and of astrophysical compact-object magnetospheres. Sampling an event…Verneri Sarjomaa, Joonas Nättilä·Sep 24, 2026SaveLearn
A Physics-Driven Framework for Parametric Periodic-Flow Modeling and Finite-Amplitude Aeroelastic Response AnalysisPeriodic unsteady flows are common in forced-motion and fluid-structure interaction problems. Their parametric analysis typically requires repeated high-fidelity simulations, whereas existing…Daiwei Dong, Wenbo Cao, Weiwei Zhang·Sep 24, 2026SaveLearn
Conditional preservation of chimera states under equitable network coarse-grainingChimera states, characterized by the coexistence of coherent and incoherent dynamics in networks of coupled oscillators, are among the most intriguing collective phenomena in nonlinear systems and…Margherita Bertè, Thierry Njougouo, Paolo Sarti et al.·Sep 23, 2026SaveLearn
Optimal limits on weak integrability breaking and protected thermal memory near qutrit exchangeAlthough integrability does not universally require a continuous one-site symmetry, we rigorously prove that every jointly analytic, regular Yang-Baxter deformation of the qutrit exchange interaction…Hanbing Liang, Fujun Liu·Sep 23, 2026SaveLearn
Optimal Bias Potentials via Ergodic Optimal Control and Generator LearningWe investigate the computation of optimal bias potentials for accelerating transitions between metastable states and for computation of equilibrium properties in molecular dynamics simulations. We…Lei Guo, Carsten Hartmann, Thomas Berger et al.·Sep 23, 2026SaveLearn
Learning continuous reaction paths for transition-state predictionTransition states are defined by reaction pathways, yet most machine-learning methods predict them as isolated geometries. We introduce MARC-TS, a two-stage framework that learns a continuous,…Yexiang Yang, Linlin Zhong·Sep 22, 2026SaveLearn
VNS Tokamak for Medical Isotope ProductionThe Volumetric Neutron Source (VNS) tokamak is a proposed fusion reactor for testing components under fusion neutron irradiation, and has potential use for radioisotope production. The VNS geometry…Christopher Ehrich, Pavel Pereslavtsev, Christian Bachmann et al.·Sep 21, 2026SaveLearn
A subcell-refined entropy-residual-driven limiting strategy for high-order discontinuous Galerkin methodsFine-grained, subcell-level dissipation control is essential for achieving robust high-order discontinuous Galerkin (DG) simulations of nonlinear hyperbolic systems in under-resolved regimes while…Geng Liang, Rui Wang, Junjie Wang et al.·Sep 21, 2026SaveLearn