Fast Frictionless Expansion of an Optical Lattice
classification
❄️ cond-mat.quant-gas
quant-ph
keywords
expansionfastfrictionlesslatticeopticalstateaccordionadditional
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We investigate fast frictionless expansion of an optical lattice with dynamically variable spacing (accordion lattice). We design an expansion trajectory that yields a final state identical to the initial state up to an irrelevant phase factor. We discuss the effect of additional force and nonlinear interaction on the fast frictionless expansion.
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