VMC local energy and gradient estimators are generically heavy-tailed for common ansatze due to nodal sets, but a new clipped variant converges in the low-moment regime.
Sampling-free Inference for Ab-Initio Potential Energy Sur- face Networks
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Is Variational Monte Carlo Robust? Sharp Moment Thresholds and Heavy-tailed Stochastic Optimization
VMC local energy and gradient estimators are generically heavy-tailed for common ansatze due to nodal sets, but a new clipped variant converges in the low-moment regime.