PropertyValue
?:abstract
  • We present the first local, quantitative measurements of ion current filamentation and magnetic field amplification in interpenetrating plasmas, characterizing the dynamics of the ion Weibel instability. The interaction of a pair of laser-generated, counterpropagating, collisionless, supersonic plasma flows is probed using optical Thomson scattering (TS). Analysis of the TS ion-feature revealed anticorrelated modulations in the density of the two ion streams at the spatial scale of the ion skin depth c/ω_{pi}=120 μm, and a correlated modulation in the plasma current. The inferred current profile implies a magnetic field amplitude ∼30±6 T, corresponding to ∼1% of the flow kinetic energy, indicating that magnetic trapping is the dominant saturation mechanism.
is ?:annotates of
?:creator
?:doi
?:doi
  • 10.1103/physrevlett.124.215001
?:journal
  • Physical_review_letters
?:license
  • unk
?:pmid
?:pmid
  • 32530650
?:publication_isRelatedTo_Disease
?:source
  • Medline
?:title
  • Measurement of Kinetic-Scale Current Filamentation Dynamics and Associated Magnetic Fields in Interpenetrating Plasmas.
?:type
?:year
  • 2020-05-29

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