Angom Dilip et al 2001 J. Phys. B: At. Mol. Opt. Phys. 34 3089 doi:10.1088/0953-4075/34/15/314
Angom Dilip1,3, Bhanu Pratap Das1, Warren F Perger2, M K Samal1 and K P Geetha1
Show affiliationsThe existence of the permanent electric dipole moment (EDM) of an atom implies the simultaneous violation of parity and time-reversal symmetries. Two experiments based on laser cooling have been proposed to search for the EDM of atomic ytterbium. We propose three different relativistic many-body approaches to calculate the EDM of atoms with strongly interacting configurations. Two of them are based on the configuration-interaction method and the third is an algebraic many-body perturbation theory that explicitly uses configuration state functions. We use these three approaches to calculate the EDM of atomic ytterbium arising from an electron-nucleus tensor-pseudotensor interaction. The results of these calculations are in excellent agreement with each other.
32.10.Dk Electric and magnetic moments, polarizabilities
31.30.J- Relativistic and quantum electrodynamic (QED) effects in atoms, molecules, and ions
Issue 15 (14 August 2001)
Received 7 February 2001
Published 23 July 2001
Angom Dilip et al 2001 J. Phys. B: At. Mol. Opt. Phys. 34 3089
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