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Abstract: We realize experimentally an atom-optics quantum chaotic system, thequasiperiodic kicked rotor, which is equivalent to a 3D disordered system, thatallow us to demonstrate the Anderson metal-insulator transition. Sensitivemeasurements of the atomic wavefunction dynamics and the use of finite-sizescaling techniques make it possible to extract both the critical parameters andthe critical exponent of the transition, which is in good agreement with thevalue obtained in numerical simulations of the 3D Anderson model.



Autor: Julien Chabé PhLAM, CERLA, Gabriel Lemarié LKB - Jussieu, Benoît Grémaud LKB - Jussieu, Dominique Delande LKB - Jussieu, Pasc

Fuente: https://arxiv.org/







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