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Long-lasting Exponential Spreading in Periodically Driven Quantum Systems
classification
🌊 nlin.CD
quant-ph
keywords
exponentiallong-lastingpossiblespreadingapplicationsbrieflycold-atomdiscussed
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Using a dynamical model relevant to cold-atom experiments, we show that long-lasting exponential spreading of wave packets in momentum space is possible. Numerical results are explained via a pseudo-classical map, both qualitatively and quantitatively. Possible applications of our findings are also briefly discussed.
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