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Deutsche Physikalische Gessellschaft IOP Institute of Physics

Density-optimized efficiency for magneto-optical production of a stable molecular Bose–Einstein condensate

Matt Mackie1,4, Anssi Collin1, Kalle-Antti Suominen1,2 and Juha Javanainen3

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Although photoassociation and the Feshbach resonance are feasible means in principle for creating a molecular Bose–Einstein condensate (MBEC) from an already quantum-degenerate gas of atoms, collision-induced mean-field shifts and irreversible decay place practical constraints on the efficient Raman delivery of stable molecules. Focusing on stimulated Raman adiabatic passage, we propose that the efficiency of both mechanisms for producing a stable MBEC can be improved by treating the density of the initial atom condensate as an optimization parameter.


PACS

33.57.+c Magnetooptical and electrooptical spectra and effects

05.30.Jp Boson systems

03.75.Nt Other Bose-Einstein condensation phenomena

34.50.-s Scattering of atoms and molecules

Subjects

Quantum gases, liquids and solids

Atomic and molecular physics

Statistical physics and nonlinear systems

Dates

Issue 1 (August 2003)

Received 4 April 2003

Published 29 August 2003



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