|
| related topics |
| {wave, scattering, interference} |
| {time, wave, function} |
| {equation, function, exp} |
| {level, atom, field} |
|
Transient interference of transmission and incidence
A. L. Perez Prieto, S. Brouard, J. G. Muga
abstract: Due to a transient quantum interference during a wavepacket collision with a
potential barrier, a particular momentum, that depends on the potential
parameters but is close to the initial average momentum, becomes suppressed.
The hole left pushes the momentum distribution outwards leading to a
significant constructive enhancement of lower and higher momenta. This is
explained in the momentum complex-plane language in terms of a saddle point and
two contiguous ``structural'' poles, which are not associated with resonances
but with incident and transmitted components of the wavefunction.
- oai_identifier:
- oai:arXiv.org:quant-ph/0005050
- categories:
- quant-ph
- comments:
- 4 pages of text, 6 postscript figures, revtex
- doi:
- 10.1103/PhysRevA.64.012710
- arxiv_id:
- quant-ph/0005050
- report_no:
- QFUPV150500
- created:
- 2000-05-15
Full article ▸
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