Oblique broadband electron plasma waves above the plasma frequency in the electron foreshock: Linear theory and spacecraft observations

In this paper possible causes of line splitting in emission near the local plasma frequency are considered in connection with drift pair solar radio bursts. The basic model envisaged for the bursts involves a bunch of electrons streaming through the solar corona at several times the thermal velocity of electrons. The emission process assumed is the transformation of coherently generated electron plasma waves (I-waves) into electromagnetic waves (t-waves) with little change in frequency.

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Quasi-Linear Theory of Plasma Waves

The Physics of Fluids ◽

10.1063/1.1761795 ◽

1966 ◽

Vol 9 (5) ◽

pp. 937 ◽

Cited By ~ 75

Author(s):

Ira B. Bernstein

Keyword(s):

Linear Theory ◽

Plasma Waves

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Evidence for a coherent deceleration of an electron beam during the electron plasma frequency instability

Plasma Physics ◽

10.1088/0032-1028/9/1/305 ◽

1967 ◽

Vol 9 (1) ◽

pp. 39-42 ◽

Cited By ~ 4

Author(s):

H J Hopman ◽

T Matitti ◽

A Vermeer ◽

J Kistemaker

Keyword(s):

Electron Beam ◽

Plasma Frequency ◽

Electron Plasma ◽

Frequency Instability ◽

Electron Plasma Frequency

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Remote Excitation of Electron Plasma Waves by a Modulated Laser Beam

Japanese Journal of Applied Physics ◽

10.1143/jjap.21.410 ◽

1982 ◽

Vol 21 (Part 1, No. 2) ◽

pp. 410-411

Author(s):

Shunjiro Ikezawa ◽

Masataka Tsuzuki ◽

Takashi Aoki ◽

Shigehiko Nonaka ◽

Yoshiharu Nakamura

Keyword(s):

Laser Beam ◽

Plasma Waves ◽

Electron Plasma

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Anomalous absorption of the circularly polarized electromagnetic beams near the plasma frequency in a magnetized electron plasma

Journal of Plasma Physics ◽

10.1017/s0022377806004697 ◽

2007 ◽

Vol 73 (3) ◽

pp. 315-330 ◽

Cited By ~ 1

Author(s):

S. R. SESHADRI

Keyword(s):

Resonant Frequency ◽

Plasma Frequency ◽

Unit Length ◽

Plane Waves ◽

Electron Plasma ◽

Magnetostatic Field ◽

Power Absorption ◽

Circularly Polarized ◽

Focused Beams ◽

Electromagnetic Beams

AbstractThe propagation of circularly polarized electromagnetic beams along the magnetostatic field in an electron plasma is investigated. As a consequence of a strong interaction with the medium, the beam spreads rapidly on propagation near the cutoff frequencies and the cyclotron resonant frequency of the corresponding plane waves, as well as near the plasma frequency. The power absorption for unit length near the cyclotron frequency and the plasma frequency are determined. For tightly focused beams, there is significant power absorption near the plasma frequency as compared with that at the cyclotron resonant frequency.

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