Performance of a gauge-invariant method on calculated dynamic polarizabilities
- 1 May 1992
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 45 (9) , 6263-6267
- https://doi.org/10.1103/physreva.45.6263
Abstract
In the calculation of the dynamic polarizability including electronic correlation and ensuring gauge invariance, contributions of spectroscopic states and quasispectral series are analyzed. An improvement of our original electric-field variant ket approach is proposed and illustrated by application to H and LiH systems.Keywords
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