${}^{138}$Ba$^+$ $6s\;{}^2S_{1/2}-5d\;{}^2D_{5/2}$钟跃迁的魔术波长
原子物理
2020-04-29 v2 量子物理
摘要
Ba中钟跃迁的动态差分标量极化率的过零点已被确定为THz。结合先前确定的矩阵元和分支比，这在较大波长范围（nm）内严格约束了该钟跃迁的动态差分标量极化率。特别是，它允许估计该钟跃迁在室温下的黑体辐射频移。
引用
@article{arxiv.1910.09736,
title = {Magic wavelength of the $^{138}$Ba$^+$ $6s\;{}^2S_{1/2}-5d\;{}^2D_{5/2}$ clock transition},
author = {S. R. Chanu and V. P. W. Koh and K. J. Arnold and R. Kaewuam and T. R. Tan and Zhiqiang Zhang and M. S. Safronova and M. D. Barrett},
journal= {arXiv preprint arXiv:1910.09736},
year = {2020}
}
备注
4 pages, 2 figures. Updated based on new branching ratio measurements