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Space and momentum representation analysis of Hartman's effect in wave packet transmission

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The Hartman effect is analyzed in both the position and momentum representations of the problem. The importance of Wigner tunneling and deep tunneling is singled out. It is shown quantitatively how the barrier acts as a filter for low momenta (quantum speed up) as the width increases, and a detailed mechanism is proposed. Superluminal transmission is also discussed.

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GONZÁLEZ, M. F., et al. Space and momentum representation analysis of Hartman's effect in wave packet transmission. Physical Review A. 2008. Vol. 78, num. 3, pags. 032102. ISSN 1050-2947. [consulted: 21 of May of 2026]. Available at: https://hdl.handle.net/2445/9647

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