dorsal/arxiv
View SchemaTransient interference of transmission and incidence
| Authors | A. L. Perez Prieto, S. Brouard, J. G. Muga |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0005050 |
| URL | https://arxiv.org/abs/quant-ph/0005050 |
| DOI | 10.1103/PhysRevA.64.012710 |
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.
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"abstract": "Due to a transient quantum interference during a wavepacket collision with a\npotential barrier, a particular momentum, that depends on the potential\nparameters but is close to the initial average momentum, becomes suppressed.\nThe hole left pushes the momentum distribution outwards leading to a\nsignificant constructive enhancement of lower and higher momenta. This is\nexplained in the momentum complex-plane language in terms of a saddle point and\ntwo contiguous ``structural\u0027\u0027 poles, which are not associated with resonances\nbut with incident and transmitted components of the wavefunction.",
"arxiv_id": "quant-ph/0005050",
"authors": [
"A. L. Perez Prieto",
"S. Brouard",
"J. G. Muga"
],
"categories": [
"quant-ph"
],
"doi": "10.1103/PhysRevA.64.012710",
"title": "Transient interference of transmission and incidence",
"url": "https://arxiv.org/abs/quant-ph/0005050"
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