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Phys. Rev. A 78, 012504 (2008) [6 pages]

Nuclear mass correction to the magnetic interaction of atomic systems

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Krzysztof Pachucki*
Institute of Theoretical Physics, University of Warsaw, Hoża 69, 00-681 Warsaw, Poland

Received 22 May 2008; published 11 July 2008

See accompanying Physics Synopsis

The electromagnetic interaction of an atom or ion with an arbitrary spin nucleus is considered. The effective atomic interaction Hamiltonian is derived by a sequence of unitary transformations to separate out the total motion from the internal degrees of freedom. The obtained finite nuclear mass corrections modify the atomic energy levels in the magnetic field. We present resulting contributions to the electron g factor, the NMR shielding factor, and the magnetic susceptibility.

© 2008 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.78.012504
DOI:
10.1103/PhysRevA.78.012504
PACS:
31.30.js, 32.10.Dk, 31.30.Gs

*krp@fuw.edu.pl; www.fuw.edu.pl/~krp