里德伯公式
光谱学
物理
轴子
原子物理学
粒子物理学
离子
量子力学
暗物质
电离
作者
Yuqi Zhu,Sumita Ghosh,S. B. Cahn,M. J. Jewell,D. Speller,R. Maruyama
出处
期刊:Physical review
[American Physical Society]
日期:2022-04-14
卷期号:105 (4)
被引量:7
标识
DOI:10.1103/physreva.105.042808
摘要
We present a study of the Rydberg spectrum in $^{39}\mathrm{K}$ for $nS$ and $n{D}_{3/2}$ series connected to $5{\phantom{\rule{0.16em}{0ex}}}^{2}{P}_{1/2}$ using two-photon spectroscopy based on electromagnetically induced transparency in a heated vapor cell. We observed some 80 transitions from $5{P}_{1/2}$ to Rydberg states with principal quantum numbers $n\ensuremath{\sim}50--90$, and determined their transition frequencies and state energies with sub-GHz precision. Our spectroscopy results lay the groundwork for using Rydberg atoms as sensitive microwave photon detectors in searches for dark matter axions in the $\ensuremath{\sim}40--200 \ensuremath{\mu}\mathrm{eV}$ mass range, which is a prime range for future axion searches suggested by theory studies.
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