Heidelberg 2015 – wissenschaftliches Programm

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A: Fachverband Atomphysik

A 39: Precision spectroscopy of atoms and ions IV (with Q)

A 39.8: Vortrag

Freitag, 27. März 2015, 12:45–13:00, C/kHS

Comparative study of the nuclear-polarization corrections in highly charged ions — •Andrey Volotka and Günter Plunien — Institut für Theoretische Physik, TU Dresden

A systematic investigation of the nuclear-polarization effects in one- and few-electron heavy ions is presented. The nuclear-polarization corrections in the zeroth and first orders in 1/Z have been evaluated to the binding energies, the hyperfine splitting, and the bound-electron g factor. The effect of the nuclear polarization has been investigated for the specific differences constructed in a way to cancel the nuclear size corrections. In all cases considered, it has been demonstarted, that the nuclear-polarization contributions can be substantially canceled simultaneously with the rigid nuclear corrections [1]. Therefore, the rigorous investigations of the specific differences provide a unique opportunity to test the strong-field QED with a much higher accuracy than expected before.

[1] A. V. Volotka and G. Plunien, Phys. Rev. Lett. 113, 023002 (2014).

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