dorsal/arxiv
View SchemaDeterministic instabilities in the magneto-optical trap
| Authors | Andrea Di Stefano, Philippe Verkerk, Daniel Hennequin |
|---|---|
| Categories | |
| ArXiv ID | physics/0306095 |
| URL | https://arxiv.org/abs/physics/0306095 |
| DOI | 10.1140/epjd/e2004-00089-y |
Abstract
The cloud of cold atoms obtained from a magneto-optical trap is known to exhibit two types of instabilities in the regime of high atomic densities: stochastic instabilities and deterministic instabilities. In the present paper, the experimentally observed deterministic dynamics is described extensively. Three different behaviors are distinguished. All are cyclic, but not necessarily periodic. Indeed, some instabilities exhibit a cyclic behavior with an erratic return time. A one-dimensional stochastic model taking into account the shadow effect is shown to be able to reproduce the experimental behavior, linking the instabilities to a several bifurcations. Erraticity of some of the regimes is shown to be induced by noise.
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"abstract": "The cloud of cold atoms obtained from a magneto-optical trap is known to\nexhibit two types of instabilities in the regime of high atomic densities:\nstochastic instabilities and deterministic instabilities. In the present paper,\nthe experimentally observed deterministic dynamics is described extensively.\nThree different behaviors are distinguished. All are cyclic, but not\nnecessarily periodic. Indeed, some instabilities exhibit a cyclic behavior with\nan erratic return time. A one-dimensional stochastic model taking into account\nthe shadow effect is shown to be able to reproduce the experimental behavior,\nlinking the instabilities to a several bifurcations. Erraticity of some of the\nregimes is shown to be induced by noise.",
"arxiv_id": "physics/0306095",
"authors": [
"Andrea Di Stefano",
"Philippe Verkerk",
"Daniel Hennequin"
],
"categories": [
"physics.atom-ph"
],
"doi": "10.1140/epjd/e2004-00089-y",
"title": "Deterministic instabilities in the magneto-optical trap",
"url": "https://arxiv.org/abs/physics/0306095"
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