Phys. Rev. A 60, 2573 - 2576 (1999)Coherent polychotomous waves from an attractive well |
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G. Kälbermann
Faculty of Agriculture and Racah Institute of Physics, Hebrew University, Jerusalem 91904, Israel
Received 4 January 1999
An effect of a wave-packet scattering off an attractive one-dimensional well is found numerically and analytically. For a wave packet narrower than the width of the well, the scattering proceeds through a quasibound state of almost zero energy. The wave reflected from the well is a polychotomous (multiple-peak) monochromatic and coherent train. The transmitted wave is a spreading smooth wave packet. The effect is strong for low average speeds of the packet, and it disappears for wide packets.
©1999 The American Physical Society
URL: http://link.aps.org/abstract/PRA/v60/p2573
DOI: 10.1103/PhysRevA.60.2573
PACS: 03.65.Nk
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