dorsal/arxiv
View SchemaAtoms in static fields: Chaos or Diffraction?
| Authors | P. A. Dando, T. S. Monteiro |
|---|---|
| Categories | |
| ArXiv ID | physics/9803019 |
| URL | https://arxiv.org/abs/physics/9803019 |
| Journal | Book of Invited talks, XXth ICPEAC, Vienna 1997 |
Abstract
A brief review of the manifestations of classical chaos observed in atomic systems is presented. Particular attention is paid to the analysis of atomic spectra by periodic orbit-type theories. For diamagnetic non-hydrogenic Rydberg atoms, the dynamical explanation for observed spectral features has been disputed. By building on our previous work on the photoabsorption spectrum, we show how, by the addition of diffractive terms, the spectral fluctuations in the energy level spectrum of general Rydberg atoms can be obtained with remarkable precision from the Gutzwiller trace formula. This provides further evidence that non-hydrogenic systems are most naturally described in terms of diffraction rather than classical chaos.
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"abstract": "A brief review of the manifestations of classical chaos observed in atomic\nsystems is presented. Particular attention is paid to the analysis of atomic\nspectra by periodic orbit-type theories. For diamagnetic non-hydrogenic Rydberg\natoms, the dynamical explanation for observed spectral features has been\ndisputed. By building on our previous work on the photoabsorption spectrum, we\nshow how, by the addition of diffractive terms, the spectral fluctuations in\nthe energy level spectrum of general Rydberg atoms can be obtained with\nremarkable precision from the Gutzwiller trace formula. This provides further\nevidence that non-hydrogenic systems are most naturally described in terms of\ndiffraction rather than classical chaos.",
"arxiv_id": "physics/9803019",
"authors": [
"P. A. Dando",
"T. S. Monteiro"
],
"categories": [
"physics.atom-ph"
],
"journal_ref": "Book of Invited talks, XXth ICPEAC, Vienna 1997",
"title": "Atoms in static fields: Chaos or Diffraction?",
"url": "https://arxiv.org/abs/physics/9803019"
},
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