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Non-local electron energy probability function in a plasma expanding along a magnetic nozzle.

By Roderick William Boswell, Kazunori eTakahashi, Christine eCharles and Igor D Kaganovich


Electron energy probability functions (eepfs) have been measured along the axis of low pressure plasma expanding in a magnetic nozzle. The eepf at the maximum magnetic field of the nozzle shows a depleted tail commencing at an energy corresponding to the measured potential drop in the magnetic nozzle. The eepfs measured along the axis demonstrate that the potential and kinetic energies of the electrons are conserved and confirm the non-local collisionless kinetics of the electron dynamics

Topics: low-temperature plasmas, double layers, Plasma expansion, Electron energy probability function, Non-local effect, Physics, QC1-999
Publisher: Frontiers Media S.A.
Year: 2015
DOI identifier: 10.3389/fphy.2015.00014
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