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Anomalous Bloch oscillations in one dimensional parity-breaking periodic potentials
Anomalous Bloch oscillations dimensional parity-breaking periodic potentials
2010/11/19
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 considering an asym...
riodic transition between spatially bunched and antibunched states. The period of the bunch-
ing/antibunching oscillation is N times faster than the period of the oscillation of the photon den-sity, ...
Bloch oscillations of Bose-Einstein condensates: Quantum counterpart of dynamical instability
Bloch oscillations Bose-Einstein condensates Quantum counterpart dynamical instability
2010/4/12
We study the Bloch dynamics of a quasi one-dimensional Bose-Einstein condensate of cold atoms in a tilted optical lattice modeled by a Hamiltonian of Bose-Hubbard type: The corresponding mean-field sy...