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QUANTUM DYNAMICS OF COUPLED BOSONIC WELLS WITHIN THE BOSE–HUBBARD PICTURE
We relate the quantum dynamics of the Bose–Hubbard model (BHM) to the semiclassical nonlinear equations that describe an array of interacting Bose condensates by implementing a standard variational procedure based on the coherent state method. We investigate the dynamics of the two-site BHM from the purely quantum viewpoint by recasting …