Physics – Atomic Physics
Scientific paper
2009-02-22
Physics
Atomic Physics
10 pages, 1 figure
Scientific paper
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.
Das Bhanu Pratap
Mukherjee Debashis
Sahoo Binod Kumar
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