Attainable accuracies of QH+ rotational transition frequencies (Q: 40Ca, 24Mg, 202Hg)

Attainable accuracies of QH+ rotational transition frequencies (Q: 40Ca, 24Mg, 202Hg)
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DOI:
10.1088/1361-6455/ab7425
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发表时间:
2020-03
期刊:
Journal of Physics B: Atomic, Molecular and Optical Physics
影响因子:
--
通讯作者:
M. Kajita;R. Bala;M. Abe
M. Kajita;R. Bala;M. Abe
中科院分区:
其他
文献类型:
--
作者:
M. Kajita;R. Bala;M. Abe

文献摘要

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分子转动跃迁频率是太赫兹波段的频率标准。线性阱中QH+分子离子(Q:第二族元素的偶同位素)的X1 <$(J,F)=(0,1 /2)→(1,1 / 2)跃迁频率是有用的,因为测量不确定度很低。使用202 HgH+分子离子,斯塔克和塞曼位移给出的不确定度可以低于10−15。
Molecular rotational transition frequencies are useful as frequency standard in the terahertz region. The X 1 Σ ( J , F ) = ( 0 , 1 / 2 ) → ( 1 , 1 / 2 ) transition frequencies of QH+ molecular ions (Q: an even isotope of Group II element) in a linear trap are useful as measurement uncertainties are low. An uncertainty given by the Stark and Zeeman shifts can be below 10−15 using 202HgH+ molecular ion.