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Title: Electric quadrupole moment of the 5d/sup2/ D/sub3∕2/ state in /sup171/Yb/sup+/: A relativistic coupled-cluster analysis
Authors: Latha, K. V. P
Sur, C
Chaudhuri, R. K
Das, B. P
Mukherjee, D
Keywords: Electric quadrupole moment
Issue Date: Dec-2007
Publisher: The American Physical Society
Citation: Phys. Rev. A 76, 062508
Abstract: The electric quadrupole moment for the 5d 2D3/2 state of 171Yb+, has been calculated using the relativistic coupled-cluster method. Earlier a similar calculation was performed for the 4d 2D5/2 state of 88Sr+ which is the most accurate determination to date [Sur et al., Phys. Rev. Lett. 96, 193001 (2006)]. The present calculation of the electric quadrupole moment of 171Yb+ yielded a value 2.157ea<sub>0</sub><sup>2</sup> where the experimental value is 2.08(11)ea<sub>0</sub><sup>2</sup>; a0 is the Bohr radius and e the elementary charge. We discuss in this paper our results for 171Yb+ in detail and highlight the dominant correlation effects present. We have presented the effect of inner core excitations and their contribution to the electric quadrupole moment, which is a property sensitive to regions away from the nucleus.
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