Experimental demonstration achieves ground-state cooling of collective modes in Bose-Einstein condensate, highlighting control without cavity enhancement.
The authors experimentally demonstrate simultaneous feedback control and cooling of multiple low-lying collective modes in a Bose-Einstein condensate. The results demonstrate that ground-state cooling of the center-of-mass modes can be achieved even without a cavity to enhance the signal-to-noise.
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Thomas et al. (2025) studied this question.
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