Phase diagram of the Anderson transition with atomic matter waves

Abstract : We realize experimentally a cold atom system equivalent to the 3D Anderson model of disordered solids where the anisotropy can be controlled by adjusting an experimentally accessible parameter. This allows us to study experimentally the disorder vs anisotropy phase diagram of the Anderson metal-insulator transition. Numerical and experimental data compare very well with each other and a theoretical analysis based on the self-consistent theory of localization correctly discribes the observed behavior, illustrating the flexibility of cold atom experiments for the study of transport phenomena in complex quantum systems.
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Soumis le : mardi 8 janvier 2013 - 12:53:22
Dernière modification le : jeudi 22 novembre 2018 - 14:12:21
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Matthias Lopez, Jean-François Clément, Gabriel Lemarié, Dominique Delande, Pascal Szriftgiser, et al.. Phase diagram of the Anderson transition with atomic matter waves. New Journal of Physics, Institute of Physics: Open Access Journals, 2013, 15, pp.065013. 〈10.1088/1367-2630/15/6/065013〉. 〈hal-00771284〉

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