Phys. Rev. Lett. 98, 083601 (2007) [4 pages]Intensity Correlations and Mesoscopic Fluctuations of Diffusing Photons in Cold AtomsReceived 24 September 2005; published 20 February 2007 We study the angular correlation function of speckle patterns that result from multiple scattering of photons by cold atomic clouds. We show that this correlation function becomes larger than the value given by Rayleigh law for classical scatterers. These large intensity fluctuations constitute a new mesoscopic effect specific to atom-photon interactions, that could not be observed in other systems such as weakly disordered metals. We provide a complete description of this behavior and expressions that allow for a quantitative comparison with experiments. © 2007 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.98.083601
DOI:
10.1103/PhysRevLett.98.083601
PACS:
42.50.Fx, 42.25.Dd, 71.27.+a
See AlsoComment: B. Grémaud, D. Delande, C. A. Müller, and C. Miniatura, Comment on “Intensity Correlations and Mesoscopic Fluctuations of Diffusing Photons in Cold Atoms”, Phys. Rev. Lett. 100, 199301 (2008). Reply: O. Assaf and E. Akkermans, Assaf and Akkermans Reply:, Phys. Rev. Lett. 100, 199302 (2008). |
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