Theoretical characterization of laser- and sympathetically-cooled ions in surface-electrode ion traps

Using molecular dynamics simulations we characterize theoretically Coulomb clusters of laser- and sympathetically-cooled ions in a five-wire surface-electrode ion trap. We show that the asymmetry of the trapping potential leads to significantly different cluster structures and ion energy distributio...

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Published inPhysical chemistry chemical physics : PCCP Vol. 13; no. 42; pp. 18852 - 18858
Main Authors GEORGESCU, I. M, WILLITSCH, S
Format Journal Article
LanguageEnglish
Published Cambridge Royal Society of Chemistry 14.11.2011
Subjects
Asymmetry
Chemistry
Clusters
Coulomb friction
Exact sciences and technology
General and physical chemistry
Molecular dynamics
Molecular ions
Segregations
Simulation
Skewed distributions
Segregation
Energy distribution
Molecular dynamics method
Ions
Potential
Wire
Molecular ions
Ion distribution
Coulomb interaction
Characterization
Electrodes
Ion trap
Trapping
Asymmetry
Laser
Paul trap
Structure
Comparative study
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Summary:Using molecular dynamics simulations we characterize theoretically Coulomb clusters of laser- and sympathetically-cooled ions in a five-wire surface-electrode ion trap. We show that the asymmetry of the trapping potential leads to significantly different cluster structures and ion energy distributions in comparison to conventionally used linear Paul traps and to an asymmetric segregation of the ions in bi-component Coulomb clusters. We explore the impact of our results on the implementation of sympathetic cooling of molecular ions in surface-electrode traps and discuss possible challenges for the realization of such experiments.
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ISSN:1463-9076
1463-9084
DOI:10.1039/c1cp20733d