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Asymptotic behaviour of the probability density in one dimension

J. A. Damborenea, I. L. Egusquiza, J. G. Muga

quant-pharXiv:quant-ph/0109151

Abstract

We demonstrate that the probability density of a quantum state moving freely in one dimension may decay faster than 1/t. Inverse quadratic and cubic dependences are illustrated with analytically solvable examples. Decays faster than 1/t allow the existence of dwell times and delay times.

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