Effective Operators and Spectroscopic Properties
- 15 March 1968
- journal article
- Published by AIP Publishing in The Journal of Chemical Physics
- Vol. 48 (6) , 2596-2611
- https://doi.org/10.1063/1.1669488
Abstract
Perturbation summations that are characteristic of a wide range of spectroscopic problems are shown to be simply expressible in terms of effective operators involving the zero-order states of the preponderant configuration. The methods developed involve the use of generalized unit tensor operators. Detailed applications to configuration-interaction effects in lN configurations and to third-order contributions to spectral intensities of ions in crystal fields are considered.Keywords
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