用于精确测量的多原子重分子磁光捕获技术

arXiv - PHYS - Atomic Physics Pub Date : 2024-09-08 DOI:arxiv-2409.04948

Zack D. Lasner, Alexander Frenett, Hiromitsu Sawaoka, Loic Anderegg, Benjamin Augenbraun, Hana Lampson, Mingda Li, Annika Lunstad, Jack Mango, Abdullah Nasir, Tasuku Ono, Takashi Sakamoto, John M. Doyle

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引用次数: 0

摘要

我们报告了在 1.2(3) mK 温度下含有 2000(600) 个分子的单氢氧化锶（SrOH）磁光陷阱。其寿命为 91(9) 毫秒，受限于未处理的光学振动状态的衰减。这为未来对SrOH进行亚多普勒冷却和光学捕获奠定了基础，SrOH是一种多原子分子，适合于对标准模型之外的物理（包括新的违反CP的粒子和超轻暗物质）进行精密搜索。我们还确定了该系统的重要特征，这些特征将引导复杂的重多原子分子冷却和捕获进入超冷状态。

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Magneto-optical trapping of a heavy polyatomic molecule for precision measurement

We report a magneto-optical trap of strontium monohydroxide (SrOH) containing 2000(600) molecules at a temperature of 1.2(3) mK. The lifetime is 91(9) ms, which is limited by decay to optically unaddressed vibrational states. This provides the foundation for future sub-Doppler cooling and optical trapping of SrOH, a polyatomic molecule suited for precision searches for physics beyond the Standard Model including new CP violating particles and ultralight dark matter. We also identify important features in this system that guide cooling and trapping of complex and heavy polyatomic molecules into the ultracold regime.

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arXiv - PHYS - Atomic Physics

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