Coherent Backscattering with Nonlinear Atomic Scatterers

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dc.creatorWellens, T.
dc.creatorGremaud, B.
dc.creatorDelande, D.
dc.creatorMiniatura, C.
dc.date2004-11-22
dc.date.accessioned2026-07-07T03:02:15Z
dc.date.available2026-07-07T03:02:15Z
dc.descriptionWe study coherent backscattering of a quasi-monochromatic laser by a dilute gas of cold two-level atoms. We consider the perturbative regime of weak intensities, where nonlinear effects arise from {\em inelastic} two-photon scattering processes. Here, coherent backscattering can be formed by interference between {\em three} different scattering amplitudes. Consequently, if elastically scattered photons are filtered out from the photodetection signal by means of suitable frequency-selective detection, we find the nonlinear backscattering enhancement factor to exceed the linear barrier two.
dc.description4 pages, 3 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0411555
dc.identifierhttp://arxiv.org/abs/cond-mat/0411555
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/25331
dc.subjectMesoscale and Nanoscale Physics
dc.subjectDisordered Systems and Neural Networks
dc.subjectQuantum Physics
dc.titleCoherent Backscattering with Nonlinear Atomic Scatterers
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