Approaching the Motional Ground State of a 10 Kg Object

Chris Whittle,Evan D. Hall,Sheila Dwyer,Nergis Mavalvala,Vivishek Sudhir

Conference on Lasers and Electro-Optics（2022）

引用 45|浏览9

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摘要

Thermal decoherence impedes preparing massive objects in quantum states. Using feedback cooling, we place the center-of-mass motion of a 10kg oscillator in a state with phonon occupation 10.8, bringing it from room temperature to 77 nK.

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关键词

motional ground state,thermal decoherence,massive objects,quantum states,feedback cooling,center-of-mass motion,phonon occupation,mass 10.0 kg,temperature 293.0 K to 77.0 nK

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