Nonlinear Theory of Space-Charge Wave in Moving, Interacting Electron Beams with Application to Solar Radio Noise

1955 ◽  
Vol 97 (4) ◽  
pp. 849-855 ◽  
Author(s):  
Hari K. Sen
Keyword(s):  
Space Charge ◽  
Nonlinear Theory ◽  
Solar Radio ◽  
Electron Beams ◽  
Radio Noise ◽  
Charge Wave ◽  
Space Charge Wave

scholarly journals Space Charge Wave Amplification in a Shock Front and the Fine Structure of Solar Radio Noise

1954 ◽  
Vol 7 (1) ◽  
pp. 30 ◽  
Author(s):  
Hari K Sen
Keyword(s):  
Fine Structure ◽  
Shock Front ◽  
Space Charge ◽  
Dispersion Equation ◽  
Solar Radio ◽  
Interpolation Method ◽  
Radio Noise ◽  
Wave Amplification ◽  
Charge Wave ◽  
Space Charge Wave

The Mott-Smith (1951) interpolation method gives a non-Maxwellian velocity distribution for the particles in a shock front. The dispersion equation corresponding to the non-Maxwellian distribution is derived by Vlasov's (1945) formula. The roots of the dispersion equation indicate frequency bandwidths of space charge wave amplification that decrease with the shock strength. It is suggested, in agreement with Denisse and Rocard (1951), that the storm bursts of narrow bandwidth originating in shock fronts constitute the elementary fine-structure components of solar radio noise bursts.

Nonlinear space-charge wave propagation on thin annular electron beams

1984 ◽  
Vol 27 (7) ◽  
pp. 1808 ◽  
Author(s):  
D. L. Fenstermacher ◽  
C. E. Seyler
Keyword(s):  
Wave Propagation ◽  
Space Charge ◽  
Electron Beams ◽  
Charge Wave ◽  
Space Charge Wave

VELOCITY-JUMP AMPLIFICATION AT 10,000 MC./S.

1957 ◽  
Vol 35 (6) ◽  
pp. 742-752
Author(s):  
B. V. Dore
Keyword(s):  
General Theory ◽  
Space Charge ◽  
Electron Beams ◽  
Theoretical Development ◽  
Vacuum Tube ◽  
Microwave Frequencies ◽  
Moderate Agreement ◽  
Velocity Jump ◽  
Charge Wave ◽  
Space Charge Wave

A vacuum tube using the velocity-jump principle was built to amplify microwave frequencies in the vicinity of 10,000 Mc./s. The design of the tube was based on a similar structure that had been built to operate at a lower frequency. A general theory previously developed for space-charge wave amplifiers was applied to the operation of the tube, in conjunction with approximations made to the theory of coupling to electron beams by means of helices. The experimentally measured gain was in moderate agreement with that predicted by this theoretical development. Conclusions are drawn regarding the operation of coupling helices, and the effect of small gaps in the amplifying section of the tube.

Space‐charge wave propagation on rippled electron beams

1976 ◽  
Vol 47 (10) ◽  
pp. 4464-4466 ◽  
Author(s):  
R. A. Mahaffey ◽  
D. B. Batchelor ◽  
A. W. Trivelpiece
Keyword(s):  
Wave Propagation ◽  
Space Charge ◽  
Electron Beams ◽  
Charge Wave ◽  
Space Charge Wave

scholarly journals Reactive medium instability of the space charge wave of ion beam in a plasma

1977 ◽  
Vol 64 (1) ◽  
pp. 53-55 ◽  
Author(s):  
Toshitaka Idehara ◽  
Kuni Nakajima ◽  
Yoshio Ishida
Keyword(s):  
Space Charge ◽  
Ion Beam ◽  
Reactive Medium ◽  
Charge Wave ◽  
Space Charge Wave
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