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Title: Many-body theory of the electric dipole moment of atomic ytterbium
Authors: Dilip, A
Das, B. P
Perger, W. F
Samal, M. K
Geetha, K. P
Keywords: Electric Dipole Moment (Edm);Laser Cooling;Atomic Ytterbium;Relativistic;Electron-Nucleus Tensor-Pseudotensor Interaction
Issue Date: Aug-2001
Publisher: Institute of Physics
Citation: Journal of Physics B: Atomic, Molecular, and Optical Physics, Vol. 34, No. 15, pp. 3089 - 3106
Abstract: The 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.
Description: Restricted Access
ISSN: 0953-4075
Appears in Collections:IIAP Publications

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