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Title: Electric Quadrupole Moments of the D States of Alkaline-Earth-Metal Ions
Authors: Sur, C
Latha, K. V. P
Sahoo, B. K
Chaudhuri, R. K
Das, B. P
Mukherjee, D
Keywords: The Electric Quadrupole Moment;Optical Clock;Elativistic Coupled-Cluster Theory;Atomic Electric Quadrupole Moments
Issue Date: May-2006
Publisher: The American Physical Society
Citation: Physical Review Letters, Vol. 96, No. 19, pp. 193001
Abstract: The electric quadrupole moment for the 4dD5/22 state of Sr+88; one of the most important candidates for an optical clock, has been calculated using the relativistic coupled-cluster theory. This is the first application of this theory to determine atomic electric quadrupole moments. The result of the calculation is presented and the important many-body contributions are highlighted. The calculated electric quadrupole moment is (2.94±0.07)ea02, where a0 is the Bohr radius and e the electronic charge while the measured value is (2.6±0.3)ea02. This is so far the most accurate determination of the electric quadrupole moment for the above mentioned state. We have also calculated the electric quadrupole moments for the metastable 4dD3/22 state of Sr+88 and for the 3dD3/2,5/22 and 5dD3/2,5/22 states of Ca+43 and Ba+138, respectively.
ISSN: 0031-9007
Appears in Collections:IIAP Publications

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