Unlocked-relative-phase states in arrays of Bose-Einstein condensates
Dengling Zhang,
Haibo Qiu,
Antonio Muñoz Mateo
Abstract:Phase engineering techniques are used to control the dynamics of long-bosonic-Josephson-junction arrays built by linearly coupling Bose-Einstein condensates. Just at the middle point of the underlying discrete energy band of the system, unlocked-relative-phase states are shown to be stationary along with the locked-relative-phase Bloch waves. In finite, experimentally-feasible systems, such states find ranges of dynamical stability that depend on the ratio of coupling to interaction energy. The same ratio dete… Show more
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