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Selected highly charged ions as prospective candidates for optical clocks with quality factors larger than 1015

Yan-mei Yu and B. K. Sahoo
Phys. Rev. A 97, 041403(R) – Published 18 April 2018
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Abstract

The Ni12+, Cu13+, Pd12+, and Ag13+ highly charged ions (HCIs) are proposed for making very accurate optical clocks with the fractional uncertainties below 1019 level. These HCIs have simple atomic energy levels, clock transitions with quality factors larger than 1015, and optical magnetic-dipole (M1) transitions that can be used for laser cooling and detecting quantum jumps on the clock transitions by the shelving method. To demonstrate the projected fractional uncertainties, we estimate orders of magnitude of the Zeeman, Stark, blackbody radiation, and electric quadrupole shifts of the clock transitions by performing calculations of the relevant atomic properties in the above HCIs.

  • Figure
  • Received 28 January 2018

DOI:https://doi.org/10.1103/PhysRevA.97.041403

©2018 American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & Optical

Authors & Affiliations

Yan-mei Yu1,* and B. K. Sahoo2,†

  • 1Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
  • 2Atomic, Molecular and Optical Physics Division, Physical Research Laboratory, Navrangpura, Ahmedabad 380009, India and State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071, China

  • *ymyu@aphy.iphy.ac.cn
  • bijaya@prl.res.in

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Issue

Vol. 97, Iss. 4 — April 2018

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