Observation of an ultracold plasma instability

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dc.creatorZhang, X. L.
dc.creatorFletcher, R. S.
dc.creatorRolston, S. L.
dc.date2008-06-29
dc.date2008-07-24
dc.date.accessioned2026-07-07T10:15:34Z
dc.date.available2026-07-07T10:15:34Z
dc.descriptionWe present the first observation of an instability in an expanding ultracold plasma. We observe periodic emission of electrons from an ultracold plasma in weak, crossed magnetic and electric fields, and a strongly perturbed electron density distribution in electron time-of-flight projection images. We identify this instability as a high-frequency electron drift instability due to the coupling between the electron drift wave and electron cyclotron harmonic, which has large wavenumbers corresponding to wavelengths close to the electron gyroradius.
dc.description5 pages, 4 figures, submitted to PRL
dc.identifierhttps://arxiv.org/abs/0806.4691
dc.identifierhttp://arxiv.org/abs/0806.4691
dc.identifierPhys. Rev. Lett. 101, 195002 (2008)
dc.identifierdoi:10.1103/PhysRevLett.101.195002
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/173215
dc.subjectPlasma Physics
dc.titleObservation of an ultracold plasma instability
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