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EDM operator free from Schiff's theorem

MPG-Autoren
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Asaga,  T.
Prof. Hans A. Weidenmüller, Emeriti, MPI for Nuclear Physics, Max Planck Society;

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Zitation

Asaga, T., Fujita, T., & Hiramoto, M. (2001). EDM operator free from Schiff's theorem. Progress of Theoretical Physics, 106(6), 1223-1238.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-0011-8548-7
Zusammenfassung
We present a generalization of Schiff's transformation of electric dipole moments (EDM) in quantum field theory. Under the unitary transformation, the time and parity violating interaction i ge/2 (ψ) over bar sigma(muv) gamma(5) psi F- muv is transformed into a new form, but its nonrelativistic reduction has a unique form to which Schiff's theorem does not apply. The relativistic corrections to the new EDM operator slightly increase the EDM, as given by b(2) (alphaZ)(2) with b(2) similar or equal to 2. It is thus seen that the calculation of the EDM with nonrelativistic Hartree-Fock wave functions presents a conservative but reliable estimation for the enhancement factor of the EDM in atoms.