单电离钙离子电离势、寿命和极化率的相对论耦合团簇研究
Relativistic coupled-cluster studies of ionization potentials, lifetimes and polarizabilities in singly ionized calcium
摘要：
用相对论耦合集团方法计算了Ca $^+$的电离势、E1矩阵元和偶极极化率。从Breit相互作用的贡献明确给出这些属性。极化率的地面和第一激发的d-状态的确定通过评估的波函数被扰动到第一阶的电偶极子运营商和黑体辐射位移估计从这些结果。我们还报告了分支比和第一激发p-态的寿命的计算和实验波长的结果，并与它们的测量值进行比较。
英文摘要：
Using the relativistic coupled-cluster method, we have calculated ionization potentials, E1 matrix elements and dipole polarizabilities of many low-lying states of Ca$^+$. Contributions from the Breit interaction are given explicitly for these properties. Polarizabilities of the ground and the first excited d-states are determined by evaluating the wave functions that are perturbed to first order by the electric dipole operator and the black-body radiation shifts are estimated from these results. We also report the results of branching ratios and lifetimes of the first excited p-states using both the calculated and experimental wavelengths and compare them with their measured values.
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