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- Title
Brillouin backscattering instability in inhomogeneous collisional plasma.
- Authors
SHALABI, BASSAM; AL-KHATEEB, AHMED
- Abstract
Brillouin backscattering instability is investigated in inhomogeneous collisional plasma. The slow-coupling equations for the instability in a medium with linear density ramp are obtained. For large inhomogeneity scale length, the homogeneous growth rate is found to be modified by a factor of[1/square root(2) times square root(É02/ (É02 + ½e2) + É0/square root(É02 + ½e2))]For the convective instability, the amplification factor is found to be[› = (|³B0|2/2²)(É02/É02 + ½e2)]The presence of collisions leads to a reduction in both the growth rate and the amplification factor, where the threshold intensity for the instability to occur increases.
- Publication
Laser & Particle Beams, 2001, Vol 19, Issue 2, p223
- ISSN
0263-0346
- Publication type
Article
- DOI
10.1017/s0263034601192104