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Anderson localization of Bogoliubov excitations on quasi-1D strips
Christopher Gaul, Pierre Lugan, Cord A. Müller
Anderson localization of Bogoliubov excitations is studied for disordered lattice Bose gases in planar quasi-one-dimensional geometries. The inverse localization length is computed…
Superfluid-insulator transition of two-dimensional disordered Bose gases
Joseph Saliba, Pierre Lugan, Vincenzo Savona
We study the two-dimensional weakly repulsive Bose gas at zero temperature in the presence of correlated disorder. Using large-scale simulations, we show that the low-energy Bogoli…
Superfluid-insulator transition in weakly interacting disordered Bose gases: a kernel polynomial approach
Joseph Saliba, Pierre Lugan, Vincenzo Savona
An iterative scheme based on the kernel polynomial method is devised for the efficient computation of the one-body density matrix of weakly interacting Bose gases within Bogoliubov…
Localization of Bogoliubov quasiparticles in interacting Bose gases with correlated disorder
Pierre Lugan, Laurent Sanchez-Palencia
We study the Anderson localization of Bogoliubov quasiparticles (elementary many-body excitations) in a weakly interacting Bose gas of chemical potential subjected to a disorde…