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Time-dependent semiclassics for ultracold bosons
We study the out-of-equilibrium dynamics of ultracold bosons in a double- and triple-well potential within the Bose-Hubbard model by means of the semiclassical Herman-Kluk propagator and compare the results to the frequently applied ``classical dynamics'' calculation in terms of the truncated Wigner approximation (TWA). For the double-well system we find …