Electron shielding of the nuclear magnetic moment in hydrogen-like atom

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Ivanov, V. G.
Karshenboim, S. G.
Lee, R. N.
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Abstract
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The correction to the wave function of the ground state in a hydrogen-like atom due to an external homogenous magnetic field is found exactly in the parameter $Z\alpha$. The $j=1/2$ projection of the correction to the wave function of the $ns_{1/2}$ state due to the external homogeneous magnetic field is found for arbitrary $n$. The $j=3/2$ projection of the correction to the wave function of the $ns_{1/2}$ state due to the nuclear magnetic moment is also found for arbitrary $n$. Using these results, we have calculated the shielding of the nuclear magnetic moment by the $ns_{1/2}$ electron.
Comment: 15 pages
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Physics - Atomic Physics
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