New modes in a plasma with periodic boundaries: the origin of the dense spectrum

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Title: New modes in a plasma with periodic boundaries: the origin of the dense spectrum
Author: Lou, W.; Carmel, Y.; Antonsen, T.; Destler, William; Granatstein, V.
Abstract: We analyze the new features of the low-frequency (£0 < £Op) modes of wave propagation in a plasma filled, spatially periodic structure. The spectrum of these modes is drastically modified by the periodic boundaries in a way that produces a fundamentally new kind of spectral behavior, a "dense spectrum." The interaction of ballistic electron beam modes with the dense spectrum of plasma modes is shown to be unstable. These modes may play an important role in the area of plasma microwave electronics.
Description: RIT community members may access full-text via RIT Libraries licensed databases: http://library.rit.edu/databases/
Record URI: http://hdl.handle.net/1850/9639
Publishers URL: http://dx.doi.org/10.1103/PhysRevLett.67.2481
Date: 1991-10-28

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