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Probing Fermionic Condensates by Fast-Sweep Projection onto Feshbach Molecules

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 نشر من قبل Marzena Hanna Szymanska
 تاريخ النشر 2008
  مجال البحث فيزياء
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Fast sweep projection onto Feshbach molecules has been widely used as a probe of fermionic condensates. By determining the exact dynamics of a pair of atoms in time varying magnetic fields, we calculate the number of condensed and noncondensed molecules created after fast magnetic field sweeps from the BCS to the BEC side of the resonances in $^{40}$K and $^{6}$Li, for different sweep rates and a range of initial and final fields. We discuss the relation between the initial fermionic condensate fraction and the molecular condensate fraction measured after the sweep.



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