1997/07/30 by Eddy Timmermans, Timmermans, Eddy, Paolo Tommasini +1
Physics and Astronomy · #Cold Atom Physics and Bose-Einstein Condensates #Condensed Matter (cond-mat) #FOS: Physical sciences #Quantum optics and atomic interactions #Strong Light-Matter Interactions #cond-mat
paper · pdf · doi:10.48550/arxiv.cond-mat/9707321
11 pages,1 figure
arxiv created 1997/07/30 · openalex publication_date 1997/07/30 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
We present a single-scattering formalism for incoherent resonant light scattering by dilute quantum gas systems such as the atomic-trap Bose-Einstein condensates. We show that resonant scattering gives access to more information than the dynamical structure factor, familiar from non-resonant scattering. In particular, we show that the detuning dependence of the incoherent scattering cross-section allows the direct determination of the BEC pairing density < ψψ>, which is a broken symmetry and provides evidence that the condensate is not in a good number state.