Two-dimensional and three-dimensional Coulomb clusters in parabolic traps

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dc.contributor.authorMyasnikov, M.
dc.contributor.authorD'yachkov, L.
dc.contributor.authorPetrov, O.
dc.contributor.authorHyde, Truell Wayne.
dc.contributor.authorKong, Jie
dc.contributor.authorMatthews, Lorin Swint.
dc.date.accessioned2015-06-15T21:20:28Z
dc.date.available2015-06-15T21:20:28Z
dc.date.issued2014-09-08
dc.description.abstractWe consider the shell structure of Coulomb clusters in an axially symmetric parabolic trap exhibiting a confining potential U_c(ρ,z)=(mω^2/2)(ρ^2+αz^2) . Assuming an anisotropic parameter α = 4 (corresponding to experiments employing a cusp magnetic trap under microgravity conditions), we have calculated cluster configurations for particle numbers N = 3 to 30. We have shown that clusters with N ≤ 12 initially remain flat, transitioning to three-dimensional configurations as N increases. For N = 8, we have calculated the configurations of minimal potential energy for all values of α and found the points of configuration transitions. For N = 13 and 23, we discuss the influence of both the shielding and anisotropic parameter on potential energy, cluster size, and shell structure.en_US
dc.description.keywordsdust clustersen_US
dc.description.keywordscoulomb clustersen_US
dc.identifier.citationPhysics of Plasmas, 21(9), 093702, 2014.en_US
dc.identifier.doi10.1063/1.4885637
dc.identifier.urihttp://hdl.handle.net/2104/9398
dc.language.isoenen
dc.publisherAIP Publishingen_US
dc.titleTwo-dimensional and three-dimensional Coulomb clusters in parabolic trapsen_US
dc.typeArticleen

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