dorsal/arxiv
View SchemaTransition from reflection to sticking in ultracold atom-surface scattering
| Authors | Areez Mody, John Doyle, Eric J. Heller |
|---|---|
| Categories | |
| ArXiv ID | physics/0010069 |
| URL | https://arxiv.org/abs/physics/0010069 |
Abstract
In paper I (physics/0010068) entitled "The No-sticking Effect in Ultra-cold Collisions", we showed that under very general circumstances, atoms approaching a surface will not stick as its incoming energy approaches zero. This is true of either warm or cold surfaces. Here we explore the transition region from non sticking to sticking as energy is increased. The key to understanding the transition region is the WKB approximation and the nature of its breakdown. Simple rules for understanding the rollover to higher energy, post-threshold behavior, including analytical formulae for some asymptotic forms of the attractive potential are presented. We discuss a practical example of atom-surface pair in various substrate geometries. We also discuss the case of low energy scattering from clusters.
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"abstract": "In paper I (physics/0010068) entitled \"The No-sticking Effect in Ultra-cold\nCollisions\", we showed that under very general circumstances, atoms approaching\na surface will not stick as its incoming energy approaches zero. This is true\nof either warm or cold surfaces. Here we explore the transition region from non\nsticking to sticking as energy is increased. The key to understanding the\ntransition region is the WKB approximation and the nature of its breakdown.\nSimple rules for understanding the rollover to higher energy, post-threshold\nbehavior, including analytical formulae for some asymptotic forms of the\nattractive potential are presented. We discuss a practical example of\natom-surface pair in various substrate geometries. We also discuss the case of\nlow energy scattering from clusters.",
"arxiv_id": "physics/0010069",
"authors": [
"Areez Mody",
"John Doyle",
"Eric J. Heller"
],
"categories": [
"physics.atom-ph"
],
"title": "Transition from reflection to sticking in ultracold atom-surface scattering",
"url": "https://arxiv.org/abs/physics/0010069"
},
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"variant": "snapshot-2026-03-01",
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