Quadrupole shifts for the Yb + 171 ion clocks: Experiments versus theories

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dc.contributor.author Nandy, Dillip Kumar
dc.contributor.author Sahoo, B. K.
dc.date.accessioned 2014-12-18T10:29:02Z
dc.date.available 2014-12-18T10:29:02Z
dc.date.issued 2014-11
dc.identifier.citation Nandy, D.K. and Sahoo, B.K., “Quadrupole shifts for the Yb + 171 ion clocks: Experiments versus theories”, Physical Review A - Atomic, Molecular, and Optical Physics, DOI: 10.1103/PhysRevA.90.050503, vol. 90, no. 5, Nov. 2014. en_US
dc.identifier.issn 1094-1622
dc.identifier.uri http://dx.doi.org/10.1103/PhysRevA.90.050503
dc.identifier.uri https://repository.iitgn.ac.in/handle/123456789/1505
dc.description.abstract [4f146s]2S1/2→[4f145d]2D3/2,[4f146s]2S1/2→[4f145d]2D5/2, and [4f146s]2S1/2→[4f136s2]2F7/2, in the Yb+ ion are investigated by calculating values of the quadrupole moment (Θ) for the 5d3/2,5/2 and 4f7/2 states using the relativistic coupled-cluster (RCC) methods. We find an order of magnitude difference in the Θ value of the 4f7/2 state between our calculation and the experimental result, but our result concurs with that of other calculations carried out using many-body methods different from ours. However, our Θ value of the 5d3/2 state is in good agreement with the available experimental result and is highly precise. This enables us to estimate the quadrupole shift of the [4f146s]2S1/2→[4f145d]2D3/2 clock transition more accurately. To justify the accuracies in our calculations, we evaluate the hyperfine structure constants of the 6s1/2,5d3/2,5/2, and 4f7/2,5/2 states of the Yb+171 ion using the same RCC methods and compare the results with the experimental values. We also determine the lifetime of the 5d3/2 state to address a discrepancy between conflicting values given by recent experiments. en_US
dc.description.statementofresponsibility D.K. Nandy and B.K. Sahoo
dc.format.extent vol. 90, no. 5
dc.language.iso en en_US
dc.publisher American Physical Society en_US
dc.subject Angular momentum en_US
dc.subject Hyperfine constants en_US
dc.subject Quadrupole en_US
dc.subject (dc) Voltage en_US
dc.title Quadrupole shifts for the Yb + 171 ion clocks: Experiments versus theories en_US
dc.type Article en_US
dc.relation.journal Physical Review A


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