Controllable, 100-µm-sized, tabletop Fermi accelerator in which ultracold atoms are accelerated by moving barriers: One of the walls moving toward the opposite wall causes bouncing atoms to gain energy. Selected for a Focus in Physics Magazine and for an Editors’ Suggestion.
From the article:
Observation of Fermi Acceleration with Cold AtomsG. Barontini, V. Naniyil, J. P. Stinton, D. G. Reid, J. M. F. Gunn, H. M. Price, A. B. Deb, D. Caprioli, and V. Guarrera
Phys. Rev. Lett. 135, 025201 (2025)
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