Dynamical projection of atoms to Feshbach molecules at strong coupling

Details Dynamical projection of atoms to Feshbach molecules at strong coupling Dynamical projection of atoms to Feshbach molecules at strong coupling

2005-06-14

arxiv.org/abs/cond-mat/0506323v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, 1 figure

Scientific paper

The dynamical atom/molecule projection, recently used to probe fermion pairing, is fast compared to collective fermion times, but slow on the Feshbach resonance width scale. Theory of detuning-induced dynamics of molecules coupled to resonantly associating atom pairs, employing a time-dependent many-body Green's function approach, is presented. An exact solution is found, predicting a 1/3 power law for molecule production efficiency at fast sweep. The results for $s$- and p-wave resonances are obtained and compared. The predicted production efficiency agrees with experimental observations for both condensed and incoherent molecules away from saturation.

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