Nuclear-size self-energy and vacuum-polarization corrections to the bound-electron g factor

Author： Yerokhin V A   Keitel C H   Harman Z  

Publisher： IOP Publishing

E-ISSN： 1361-6455|46|24|245002-245008

ISSN： 0953-4075

Source： Journal of Physics B: Atomic, Molecular and Optical Physics, Vol.46, Iss.24, 2013-12, pp. : 245002-245008

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Abstract

The finite nuclear-size effect on the leading bound-electron g factor and the one-loop QED corrections to the bound-electron g factor is investigated for the ground state of hydrogen-like ions. The calculation is performed to all orders in the nuclear binding strength parameter Zα (where Z is the nuclear charge and α is the fine structure constant) and for the Fermi model of the nuclear charge distribution. In the result, theoretical predictions for the isotope shift of the 1s bound-electron g factor are obtained, which can be used for the determination of the difference of nuclear charge radii from experimental values of the bound-electron g factors for different isotopes.

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