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Anomalous Bloch oscillations in one dimensional parity-breaking periodic potentials
Giulio Pettini, Michele Modugno
We investigate the dynamics of a wave packet in a parity-breaking one-dimensional periodic potential slowly varied in time and perturbed by a linear potential. Parity is broken by…
Localization in momentum space of ultracold atoms in incommensurate lattices
Marco Larcher, Michele Modugno, Franco Dalfovo
We characterize the disorder induced localization in momentum space for ultracold atoms in one-dimensional incommensurate lattices, according to the dual Aubry-André model. For low…
Correlated bosons in a one-dimensional optical lattice: Effects of the trapping potential and of quasiperiodic disorder
Uttam Shrestha, Michele Modugno
We investigate the effect of the trapping potential on the quantum phases of strongly correlated ultracold bosons in one-dimensional periodic and quasiperiodic optical lattices. By…
Density of states in an optical speckle potential
G. M. Falco, Andrei A. Fedorenko, Jacopo Giacomelli +1
We study the single particle density of states of a one-dimensional speckle potential, which is correlated and non-Gaussian. We consider both the repulsive and the attractive cases…