Spectra of developed Langmuir turbulence in a nonisothermal magnetized plasma
Vyacheslavov, L. N. ; Burmasov, V. S. ; Kandaurov, I. V. ; Kruglyakov, E. P. ; Meshkov, O. I. ; Sanin, A. L.
[S.l.] : American Institute of Physics (AIP)
Published 1995
[S.l.] : American Institute of Physics (AIP)
Published 1995
| ISSN: |
1089-7674
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|---|---|
| Source: |
AIP Digital Archive
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| Topics: |
Physics
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| Notes: |
Strong Langmuir turbulence driven by a relativistic electron beam has been investigated by the laser scattering technique. The special features of the experiments are as follows: (i) in the regime under study, Langmuir turbulence is well developed, and the temporal and spatial scales of the turbulent region far exceed those of a single caviton; (ii) the dispersion of the electron plasma waves is governed by the magnetic field, although ωpe(very-much-greater-than)ωBe; and (iii) the temperature of plasma electrons is much higher than that of ions, i.e., the damping of ion-acoustic waves is small. k-Spectra of electron plasma waves are measured in a broad spectral region by means of CO2-laser scattering. Criterion of modulational instability of observed spectra is estimated. The role of conversion and scattering of Langmuir waves by ion-acoustic waves in nonlinear energy transfer is discussed. © 1995 American Institute of Physics.
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| Type of Medium: |
Electronic Resource
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| URL: |