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Light transport in cold atoms and thermal decoherence

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 نشر من قبل Dominique Delande
 تاريخ النشر 2006
  مجال البحث فيزياء
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By using the coherent backscattering interference effect, we investigate experimentally and theoretically how coherent transport of light inside a cold atomic vapour is affected by the residual motion of atomic scatterers. As the temperature of the atomic cloud increases, the interference contrast dramatically decreases emphazising the role of motion-induced decoherence for resonant scatterers even in the sub-Doppler regime of temperature. We derive analytical expressions for the corresponding coherence time.


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