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Lee-Huang-Yang Energy for Dilute Bose Gases: an Upper Bound for General Potentials

Giulia Basti, Morris Brooks, Serena Cenatiempo, Alessandro Olgiati, Benjamin Schlein

math-pharXiv:2609.25314

Abstract

We establish an upper bound for the ground state energy density of a dilute Bose gas, interacting through a general short-range, repulsive potential. To reach this goal, we extend the approach recently introduced in [1] for hard spheres.

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