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Feshbach-enhancement of Raman photoassociation in a Bose-Einstein condensate | | Matt Mackie
; Pierre Phou
; Heather Boyce
; Mannix Shinn
; Lev Katz
; | | Date: |
11 Aug 2011 | | Abstract: | We model the formation of stable heteronuclear molecules via pulsed Raman
photoassociation of a two-component Bose-Einstein condensate near a strong
Feshbach resonance, for both counterintuitive and intuitive pulse sequencing.
Compared to lasers alone, weak Raman photoassociation is enhanced by as much as
a factor of ten (five) for a counterintuitive (intuitive) pulse sequence,
whereas strong Raman photoassociation is barely enhanced at all--regardless of
pulse sequence. Stronger intra-atom, molecule, or atom-molecule collisions lead
to an expected decrease in conversion efficiency, but stronger ambient
inter-atom collisions lead to an unexpected increase in the efficiency of
stable molecule production. | | Source: | arXiv, 1108.2303 | | Services: | Forum | Review | PDF | Favorites | |
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