dorsal/arxiv
View SchemaInfluence of electron-ion collisions on Coulomb crystallization of ultracold neutral plasmas
| Authors | T. Pohl, T. Pattard, J. M. Rost |
|---|---|
| Categories | |
| ArXiv ID | physics/0410016 |
| URL | https://arxiv.org/abs/physics/0410016 |
| DOI | 10.1088/0953-4075/38/2/025 |
| Journal | J. Phys. B: At. Mol. Opt. Phys. 38 (2005) S343, (c) 2005 IOP Publishing Ltd |
Abstract
While ion heating by elastic electron-ion collisions may be neglected for a description of the evolution of freely expanding ultracold neutral plasmas, the situation is different in scenarios where the ions are laser-cooled during the system evolution. We show that electron-ion collisions in laser-cooled plasmas influence the ionic temperature, decreasing the degree of correlation obtainable in such systems. However, taking into account the collisions increases the ion temperature much less than what would be estimated based on static plasma clouds neglecting the plasma expansion. The latter leads to both adiabatic cooling of the ions as well as, more importantly, a rapid decrease of the collisional heating rate.
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"abstract": "While ion heating by elastic electron-ion collisions may be neglected for a\ndescription of the evolution of freely expanding ultracold neutral plasmas, the\nsituation is different in scenarios where the ions are laser-cooled during the\nsystem evolution. We show that electron-ion collisions in laser-cooled plasmas\ninfluence the ionic temperature, decreasing the degree of correlation\nobtainable in such systems. However, taking into account the collisions\nincreases the ion temperature much less than what would be estimated based on\nstatic plasma clouds neglecting the plasma expansion. The latter leads to both\nadiabatic cooling of the ions as well as, more importantly, a rapid decrease of\nthe collisional heating rate.",
"arxiv_id": "physics/0410016",
"authors": [
"T. Pohl",
"T. Pattard",
"J. M. Rost"
],
"categories": [
"physics.plasm-ph",
"physics.atom-ph"
],
"doi": "10.1088/0953-4075/38/2/025",
"journal_ref": "J. Phys. B: At. Mol. Opt. Phys. 38 (2005) S343, (c) 2005 IOP\n Publishing Ltd",
"title": "Influence of electron-ion collisions on Coulomb crystallization of ultracold neutral plasmas",
"url": "https://arxiv.org/abs/physics/0410016"
},
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