Stark Effect of Spactrum Lines with Predominating Shifts in Final Levels


THE displacement of a spectrum line caused by an electric field is composed of the displacements of the initial and the final level. In general, the shifts for a given field-strength increase rapidly with an increasing principal quantum number, and for the non-hydrogenic atoms so far observed the Stark effect in the final level is usually found to be negligible. While investigating the Stark effect of singly ionized argon (Ar II), however, some cases have been observed—as I believe for the first time—where the final levels are shifted much more than the initial ones. An example of this effect will be given here.

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  1. 1

    de Bruin, T. L., Z. Phys., 61, 307 (1930).

  2. 2

    For further experimental details see Minnhagen, L., "The Stark Effect of certain Multiplets", Dissertation (Lund, 1944)

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MINNHAGEN, L. Stark Effect of Spactrum Lines with Predominating Shifts in Final Levels. Nature 157, 444–445 (1946) doi:10.1038/157444b0

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