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Zero-Temperature Theory of Collisionless Rapid Adiabatic Passage from a Fermi Degenerate Gas of Atoms to a Bose-Einstein Condensate of Molecules | | Matt Mackie
; Olavi Dannenberg
; | | Date: |
8 Dec 2004 | | Subject: | Atomic Physics; Chemical Physics; Soft Condensed Matter; Statistical Mechanics | physics.atom-ph cond-mat.soft cond-mat.stat-mech physics.chem-ph quant-ph | | Abstract: | We theoretically examine a zero-temperature system of Fermi degenerate atoms coupled to bosonic molecules via collisionless rapid adiabatic passage across a Feshbach resonance, focusing on saturation of the molecular conversion efficiency at the slowest magnetic-field sweep rates. Borrowing a novel MANY-FERMION Fock-state theory, we find that a proper model of the magnetic-field sweep can systematically remove saturation. We also debunk the common misconception that many-body effects are responsible for molecules existing above the two-body threshold. | | Source: | arXiv, physics/0412048 | | Services: | Forum | Review | PDF | Favorites | |
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