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quant-ph2026
Provable Quantum--Classical Separation for Continuous Gibbs Sampling
Enrico Olivucci, Mariia Sobchuk, Sehmimul Hoque +4
We prove the first quantum--classical separation for a sampling problem over a continuous domain. For a class of Gibbs states on the torus with sm…
quant-ph2026
Diffusion-warm sampling of the XY model enables fast thermalization at scale
Sehmimul Hoque, Roger Melko, Pooya Ronagh
We introduce a novel technique for scalable sampling of spin-system states with continuous symmetries using diffusion models. By applying our approach to the XY model, a fundamenta…