Volume 53, Number 1, January 2001
|Page(s)||1 - 7|
|Published online||01 December 2003|
A quantum evaporation effect
Laboratoire de Physique Théorique,
Université Louis Pasteur (UMR 7085 of Centre National de la Recherche Scientifique and
Université Louis Pasteur, Strasbourg.) 3, rue de l'Université,
F-67084 Strasbourg Cedex, France
2 Institut de Physique et Chimie des Matériaux de Strasbourg (UMR 7504 of Centre National de la Recherche Scientifique and Université Louis Pasteur, Strasbourg.) 23, rue du Loess, F-67037 Strasbourg Cedex, France
Accepted: 23 October 2000
A small momentum transfer to a particle interacting with a steep potential barrier gives rise to a quantum evaporation effect which increases the transmission appreciably. This effect results from the unexpectedly large population of quantum states with energies above the height of the barrier. Its characteristic properties are studied and an example of physical system in which it may be observed is given.
PACS: 03.65.-w – Quantum mechanics / 05.60.Gg – Quantum transport / 42.50.Vk – Mechanical effects of light on atoms, molecules, electrons, and ions
© EDP Sciences, 2001
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