Anderson transition of Bogoliubov quasiparticles in the quasiperiodic kicked rotorReport as inadecuate




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1 PhLAM - Physique des Lasers, Atomes et Molécules 2 LKB Jussieu - Laboratoire Kastler Brossel

Abstract : We study the dynamics of Bogoliubov excitations of a Bose-Einstein condensate in the quasiperiodic kicked rotor. In the weakly interacting regime, the condensate is stable and both the condensate and the excitations undergo a phase transition from a quasilocalized to a diffusive regime. The corresponding critical exponents are identical for the condensate and the excitations, and compare very well with the value $ u\approx1.6$ for non-interacting particles.





Author: Benoit Vermersch - Dominique Delande - Jean Claude Garreau -

Source: https://hal.archives-ouvertes.fr/



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