Superradiant light scattering and grating formation in cold atomic vapours

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A semi-classical theory of coherent light scattering from an elongated sample of cold atoms exposed to an off-resonant laser beam is presented. The model, which is a direct extension of that of the collective atomic recoil laser (CARL), describes the emission of two superradiant pulses along the sample's major axis simultaneous with the formation of a bidimensional atomic grating inside the sample. It provides a simple physical picture of the recent observation of collective light scattering from a Bose-Einstein condensate [S. Inouye et al., Science N.285, p. 571 (1999)]. In addition, the model provides an analytical description of the temporal evolution of the scattered light intensity which shows good quantitative agreement with the experimental results of Inouye et al.
submitted to Optics Communications, LaTex version, 2 postscript figures

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Condensed Matter

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http://salesiana.dossiersoluciones.com/handle/123456789/16457

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0006135
 http://arxiv.org/abs/cond-mat/0006135

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arXiv