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most citedNonlinearity induced destruction of resonant tunneling in the Wannier-Stark problem

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cond-mat.stat-mech2007★ 43 cited

Semiclassical quantization of the Bogoliubov spectrum

Andrey R. Kolovsky

We analyze the Bogoliubov spectrum of the 3-sites Bose-Hubbard model with finite number of Bose particles by using a semiclassical approach. The Bogoliubov spectrum is shown to be…