Phys. Rev. Lett. 103, 063001 (2009) [4 pages]

Spin-1/2 Optical Lattice Clock

Abstract

References

Citing Articles (40)

Download: PDF (256 kB) Buy this article Export: BibTeX or EndNote (RIS)

N. D. Lemke^*, A. D. Ludlow, Z. W. Barber^†, T. M. Fortier, S. A. Diddams, Y. Jiang^‡, S. R. Jefferts, T. P. Heavner, T. E. Parker, and C. W. Oates^§
National Institute of Standards and Technology, 325 Broadway, Boulder, Colorado 80305, USA

Received 23 March 2009; published 3 August 2009

See accompanying Physics Synopsis

We experimentally investigate an optical clock based on ¹⁷¹Yb (I=1/2) atoms confined in an optical lattice. We have evaluated all known frequency shifts to the clock transition, including a density-dependent collision shift, with a fractional uncertainty of 3.4×10^-16, limited principally by uncertainty in the blackbody radiation Stark shift. We measured the absolute clock transition frequency relative to the NIST-F1 Cs fountain clock and find the frequency to be 518 295 836 590 865.2(0.7) Hz.

URL:

http://link.aps.org/doi/10.1103/PhysRevLett.103.063001

DOI:

10.1103/PhysRevLett.103.063001

PACS:

32.30.−r, 06.30.Ft, 32.70.Jz, 37.10.Jk

^*Also at: University of Colorado, Boulder, CO 80309, USA.

^†Present address: Spectrum Lab, Montana State University, Bozeman, MT 59717, USA.

^‡Also at: East China Normal University, Shanghai, 200062, China.

^§oates@boulder.nist.gov

About | Terms and Conditions | Subscriptions | Search | Help

Use of the American Physical Society websites and journals implies that the user has read and agrees to our Terms and Conditions and any applicable Subscription Agreement. Physical Review®, Physical Review Letters®, Reviews of Modern Physics®, and Physical Review Special Topics® are trademarks of the American Physical Society.

Citation Search:

Phys. Rev. Lett. 103, 063001 (2009) [4 pages]

Spin-1/2 Optical Lattice Clock