摘要 We propose a setup for which a power law decay is

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論文資訊

• 類型：已發表論文
• 日期：2013

摘要

We propose a setup for which a power-law decay is predicted to be observable for generic and realistic conditions. The system we study is very simple: a 量子 wave packet initially prepared in a potential well with (i) tails asymptotically decaying like similar to x(-2) and (ii) an eigenvalues spectrum that shows a continuous part attached to the ground or equilibrium state. We analytically derive the asymptotic decay law from the spectral properties for generic, confined initial states. Our findings are supported by realistic numerical simulations for state-of-the-art expansion experiments with cold atoms.

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