Preprint
Aug 2026
Quantum Impurities as Probes of Finite-Temperature Fluctuations in Two-Dimensional Bose Gases
Two-dimensional quantum gases provide a distinctive setting in which enhanced thermal fluctuations, finite-size effects, and two-body bound-state formation are intrinsically intertwined. In this work, we study a single attractive impurity immersed in a finite, weakly interacting two-dimensional Bose gas, where finite s...
Victor Velasco, Gabriele Spada, Giovanni Midei et al.
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