Strong Kac's chaos in the mean-field Bose-Einstein Condensation
Probability
2020-08-04 v1 Mathematical Physics
math.MP
Abstract
A stochastic approach to the (generic) mean-field limit in Bose-Einstein Condensation is described and the convergence of the ground state energy as well as of its components are established. For the one-particle process on the path space a total variation convergence result is proved. A strong form of Kac's chaos on path-space for the -particles probability measures are derived from the previous energy convergence by purely probabilistic techniques notably using a simple chain-rule of the relative entropy. The Fisher's information chaos of the fixed-time marginal probability density under the generic mean-field scaling limit and the related entropy chaos result are also deduced.
Keywords
Cite
@article{arxiv.1903.07128,
title = {Strong Kac's chaos in the mean-field Bose-Einstein Condensation},
author = {Sergio Albeverio and Francesco C. De Vecchi and Andrea Romano and Stefania Ugolini},
journal= {arXiv preprint arXiv:1903.07128},
year = {2020}
}