Collisional frequency shifts in Cs-133 fountain clocks

Leo, PJ, Julienne, PS, Mies, FH and Williams, CJ (2001) Collisional frequency shifts in Cs-133 fountain clocks. Physical Review Letters, 86 17: 3743-3746. doi:10.1103/PhysRevLett.86.3743

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Author Leo, PJ
Julienne, PS
Mies, FH
Williams, CJ
Title Collisional frequency shifts in Cs-133 fountain clocks
Journal name Physical Review Letters   Check publisher's open access policy
ISSN 0031-9007
Publication date 2001
Sub-type Article (original research)
DOI 10.1103/PhysRevLett.86.3743
Open Access Status File (Publisher version)
Volume 86
Issue 17
Start page 3743
End page 3746
Total pages 4
Place of publication College Pk
Publisher American Physical Soc
Language eng
Abstract Wie present a theoretical analysis of the density dependent frequency shift in Cs fountain clocks using the highly constrained binary collision model described by Leo et al. [Phys. Rev Lett. 85, 2721 (2000)]. We predict a reversal in the clock shift at temperatures near 0.08 muK. OUT results show that s waves; dominate the collision process. However, as a consequence of the large scattering lengths in Ca the clock shift is strongly temperature dependent and does not reach a constant Wigner-law value until temperatures are less than 0.1 nK.
Keyword Physics, Multidisciplinary
Bose-einstein Condensation
Cesium Fountain
Atoms
Scattering
Resonance
Standard
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: UQ Diamantina Institute Publications
 
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Citation counts: TR Web of Science Citation Count  Cited 51 times in Thomson Reuters Web of Science Article | Citations
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Created: Fri, 25 Jan 2008, 15:23:03 EST