Localization of Matter Waves in 2D-Disordered Optical Potentials

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We consider ultracold atoms in 2D-disordered optical potentials and calculate microscopic quantities characterizing matter wave quantum transport in the non-interacting regime. We derive the diffusion constant as function of all relevant microscopic parameters and show that coherent multiple scattering induces significant weak localization effects. In particular, we find that even the strong localization regime is accessible with current experimental techniques and calculate the corresponding localization length.
4 pages, 3 figures, figures changed, references updated

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Mesoscale and Nanoscale Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/100579

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0506371
 http://arxiv.org/abs/cond-mat/0506371
 Phys. Rev. Lett. 95, 250403 (2005)
 doi:10.1103/PhysRevLett.95.250403

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arXiv