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Waiting for the Quantum Bus

Forty-five years after the discovery of the peculiar quantum effect known as `probability backflow', and twenty years after the greatest possible size of the effect was characterized, an experiment has been proposed recently to observe the effect in a Bose-Einstein condensate. Here the history is described in non-technical terms.

preprint2014arXivOpen access
A. J. BrackenG. F. Melloy
math-phmath.MPquant-ph
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A. J. BrackenG. F. Melloy

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