The Appearance of "Forbidden Lines" in Spectra
- 1 September 1930
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 36 (5) , 842-846
- https://doi.org/10.1103/physrev.36.842
Abstract
A rough calculation shows that the quadrupole term in the radiation of a forbidden line is usually larger than the dipole produced by an external electric field. This is not true, however, when there is an intermediate state, with which both initial and final states combine, and which lies close to one of them.Keywords
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