Browsing Exact and Earth Sciences by Subject "Feixes de eletrons"
Now showing items 1-5 of 5
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Coherent and incoherent radiation from free-electron lasers with an axial guide field
(1981) [Journal article]The spontaneous and induced emission from a free-electron laser is treated for the case in which an axial magnetic field is imposed in addition to the helical, axially periodic wiggler magnetic field. The classes of possible ... -
Ferromagnetic resonance of fe(111)/cu(111)multilayers
(1994) [Journal article]Ferromagnetic resonance at 9.4 GHz has been used to characterize several samples of Fe sing1e-crystal films and Fe/Cu multilayers prepared by electron-beam deposition on HF-etched, hydrogen-terminated Si(111). Resonance ... -
Ionospheric ion-acoustic enhancements by turbulent counterstreaming electron beam-plasma interaction
(2010) [Journal article]Ion-acoustic enhancements are investigated within the context of turbulent beam-plasma interaction processes. The analysis assumes a pair of counterstreaming electron beams interacting with the background plasma. Two-dimensional ... -
Maser-beam instability of Bernstein waves
(2000) [Journal article]The present study constitutes a continuation and improvement of the preceding work by Yoon et al. [J. Geophys. Res. 104, 19801 (1999)]. In the present discussion, an instability of Bernstein waves excited by a beam of ... -
Two-dimensional time evolution of beam-plasma instability in the presence of binary collisions
(2016) [Journal article]Energetic electrons produced during solar flares are known to be responsible for generating solar type III radio bursts. The radio emission is a byproduct of Langmuir wave generation via beam-plasma interaction and nonlinear ...