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Volumn 94, Issue 12, 2005, Pages

Production efficiency of ultracold feshbach molecules in bosonic and fermionic systems

Author keywords

[No Author keywords available]

Indexed keywords

BOSONIC SYSTEMS; FERMIONIC GASES; LANDAU-ZENER MODELS; MOLECULAR PRODUCTION;

EID: 18144378444     PISSN: 00319007     EISSN: 10797114     Source Type: Journal    
DOI: 10.1103/PhysRevLett.94.120402     Document Type: Article
Times cited : (140)

References (36)
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    • note
    • 40K simulations used 60000 atoms while experimental points used between 250000 and 1.5 × 106 atoms. By running the simulations with 100 to 350 000 atoms, we found that in a finite system, the conversion efficiency has a small number dependence that was included in comparing the simulation to experimental data.
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    • note
    • The factor of 2% is an excellent approximation over the range of phase space density investigated and was determined by adding atoms to a Gaussian distribution at appropriate locations to approximate a Bose distribution with the correct two-body correlations. The conversion efficiency of the correlated and original Gaussian distributions could then be compared. It is only 2% because of the small fraction of pairs within a thermal de Broglie wavelength.


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