Schiff Screening of Relativistic Nucleon Electric-Dipole Moments by Electrons

C.-P. Liu; J. Engel

Schiff Screening of Relativistic Nucleon Electric-Dipole Moments by Electrons

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arxiv 0705.1981 v1 pith:RI64QPYZ submitted 2007-05-14 nucl-th

C.-P. Liu , J. Engel This is my paper · ORCID

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keywords momentselectric-dipoleelectronsnucleonrelativisticaccountatomiccompletely

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We show, at leading-order in the multipole expansion of the electron-nucleus interaction, that nucleon electric-dipole moments are completely shielded by electrons so that they contribute nothing to atomic electric-dipole moments, even when relativity in the nucleus is taken into account. It is well known that relativistic electron motion, by contrast, leads to dipole moments that are not screened; we discuss the reasons for the difference.

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