Accurate Sampling from Diffusion Models
A new proposal called DM-SMC (Diffusion Model - Sequential Monte Carlo) is investigated, which samples ensembles defined in terms of an action, using diffusion models trained on samples from the ensemble. The SMC setup allows for accurate sampling in spite of an approximate diffusion model and the finite stepsize used in the numerical solution of the stochastic process. Improved update strategies are also investigated. Results are presented for a $Z_2$ symmetric scalar field theory in 2 dimensions near its 2nd order phase transition.
| Authors | Dénes Sexty |
|---|---|
| Primary category | hep-lat |
| Published | 24 September 2026 |
| Last updated at source | 24 September 2026 |
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