用于共振冷却（反）质子精密实验的低温潘宁阱装置
Cryogenic Penning-Trap Apparatus for Precision Experiments with Sympathetically Cooled (anti)protons
摘要：
目前用单个（反）质子来测试CPT对称性的精密实验进展很快，但由于需要将粒子冷却到亚热能而变得复杂。我们描述了一个低温潘宁陷阱设置为$^9$是$^+$离子的设计，允许耦合的单（反）质子的激光冷却的原子离子的交感冷却和量子逻辑光谱。我们报告捕获和激光冷却的云和单个$^9$的$^+$离子。我们讨论了一个微型陷阱的前景，允许耦合的单（反）质子的激光冷却$^9$是$^+$离子的同情激光冷却，以亚毫K温度毫秒的时间尺度。
英文摘要：
Current precision experiments with single (anti)protons to test CPT symmetry progress at a rapid pace, but are complicated by the need to cool particles to sub-thermal energies. We describe a cryogenic Penning-trap setup for $^9$Be$^+$ ions designed to allow coupling of single (anti)protons to laser-cooled atomic ions for sympathetic cooling and quantum logic spectroscopy. We report on trapping and laser cooling of clouds and single $^9$Be$^+$ ions. We discuss prospects for a microfabricated trap to allow coupling of single (anti)protons to laser-cooled $^9$Be$^+$ ions for sympathetic laser cooling to sub-mK temperatures on ms time scales.
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