Probing interactions between ultracold fermions
Publication
, Journal Article
Campbell, GK; Boyd, MM; Thomsen, JW; Martin, MJ; Blatt, S; Swallows, MD; Nicholson, TL; Fortier, T; Oates, CW; Diddams, SA; Lemke, ND; Ye, J ...
Published in: Science
April 17, 2009
At ultracold temperatures, the Pauli exclusion principle suppresses collisions between identical fermions. This has motivated the development of atomic clocks with fermionic isotopes. However, by probing an optical clock transition with thousands of lattice-confined, ultracold fermionic strontium atoms, we observed density-dependent collisional frequency shifts. These collision effects were measured systematically and are supported by a theoretical description attributing them to inhomogeneities in the probe excitation process that render the atoms distinguishable. This work also yields insights for zeroing the clock density shift.
Duke Scholars
Published In
Science
DOI
EISSN
1095-9203
ISSN
0036-8075
Publication Date
April 17, 2009
Volume
324
Issue
5925
Start / End Page
360 / 363
Related Subject Headings
- General Science & Technology
Citation
APA
Chicago
ICMJE
MLA
NLM
Campbell, G. K., Boyd, M. M., Thomsen, J. W., Martin, M. J., Blatt, S., Swallows, M. D., … Ludlow, A. D. (2009). Probing interactions between ultracold fermions. Science, 324(5925), 360–363. https://doi.org/10.1126/science.1169724
Campbell, G. K., M. M. Boyd, J. W. Thomsen, M. J. Martin, S. Blatt, M. D. Swallows, T. L. Nicholson, et al. “Probing interactions between ultracold fermions.” Science 324, no. 5925 (April 17, 2009): 360–63. https://doi.org/10.1126/science.1169724.
Campbell GK, Boyd MM, Thomsen JW, Martin MJ, Blatt S, Swallows MD, et al. Probing interactions between ultracold fermions. Science. 2009 Apr 17;324(5925):360–3.
Campbell, G. K., et al. “Probing interactions between ultracold fermions.” Science, vol. 324, no. 5925, Apr. 2009, pp. 360–63. Scopus, doi:10.1126/science.1169724.
Campbell GK, Boyd MM, Thomsen JW, Martin MJ, Blatt S, Swallows MD, Nicholson TL, Fortier T, Oates CW, Diddams SA, Lemke ND, Naidon P, Julienne P, Ye J, Ludlow AD. Probing interactions between ultracold fermions. Science. 2009 Apr 17;324(5925):360–363.
Published In
Science
DOI
EISSN
1095-9203
ISSN
0036-8075
Publication Date
April 17, 2009
Volume
324
Issue
5925
Start / End Page
360 / 363
Related Subject Headings
- General Science & Technology