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Minimum tunneling time in quantum motion

Bracher, C. ; Kleber, M.

Annalen der Physik, 1998-12, Vol.7 (7-8), p.687-694 [Periódico revisado por pares]

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Título:
Minimum tunneling time in quantum motion
Autor: Bracher, C. ; Kleber, M.
É parte de: Annalen der Physik, 1998-12, Vol.7 (7-8), p.687-694
Notas: ArticleID:ANDP687
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istex:F2C534A9A81B0DAA4A422536A3379C44E4F8EB6D
Descrição: Starting out with the dwell time approach by Smith for stationary one‐dimensional tunneling problems, we introduce the notion of the minimum tunneling time required for traversal through an arbitrary potential barrier. The newly devised time scale is based on a simple variational principle and presents a strictly local quantity not depending on the asymptotics of the potential distribution. Its properties are illustrated using the customary square barrier as an example. The minimum tunneling time approach cannot support the existence of superluminal velocities in barrier penetration.
Editor: Leipzig: WILEY-VCH Verlag
Idioma: Inglês

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