Particle-Guided Diffusion for Gas-Phase Reaction Kinetics

Fuente: arXiv
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Main Authors: Millard, Andrew, Pedersen, Henrik
Format: Preprint
Published: 2026
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author Millard, Andrew
Pedersen, Henrik
author_facet Millard, Andrew
Pedersen, Henrik
contents Physics-guided sampling with diffusion model priors has shown promise for solving partial differential equation (PDE) governed problems, but applications to chemically meaningful reaction-transport systems remain limited. We apply diffusion-based guided sampling to gas-phase chemical reactions by training on solutions of the advection-reaction-diffusion (ARD) equation across varying parameters. The method generates physically consistent concentration fields and accurately predicts outlet concentrations, including at unseen parameter values, demonstrating the potential of diffusion models for inference in reactive transport.
format Preprint
id arxiv_https___arxiv_org_abs_2603_05139
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Particle-Guided Diffusion for Gas-Phase Reaction Kinetics
Millard, Andrew
Pedersen, Henrik
Chemical Physics
Artificial Intelligence
Machine Learning
Physics-guided sampling with diffusion model priors has shown promise for solving partial differential equation (PDE) governed problems, but applications to chemically meaningful reaction-transport systems remain limited. We apply diffusion-based guided sampling to gas-phase chemical reactions by training on solutions of the advection-reaction-diffusion (ARD) equation across varying parameters. The method generates physically consistent concentration fields and accurately predicts outlet concentrations, including at unseen parameter values, demonstrating the potential of diffusion models for inference in reactive transport.
title Particle-Guided Diffusion for Gas-Phase Reaction Kinetics
topic Chemical Physics
Artificial Intelligence
Machine Learning
url https://arxiv.org/abs/2603.05139