| Issue |
J. Phys. IV France
Volume 133, June 2006
|
|
|---|---|---|
| Page(s) | 347 - 350 | |
| DOI | https://doi.org/10.1051/jp4:2006133070 | |
| Published online | 16 June 2006 | |
Inertial Fusion Sciences and Applications 2005
J.-C. Gauthier, et al.
J. Phys. IV France 133 (2006) 347-350
DOI: 10.1051/jp4:2006133070
1 L.P.M.I.A. UMR 7040, Université Henri Poincaré, BP. 239, 54506 Vandoeuvre-les-Nancy Cedex, France
2 I.N.R.S. Énergie et Matériaux, CP 1020, Varennes, J3X1S2, Québec, Canada
3 Polymath Research Inc., Pleasanton, California
© EDP Sciences 2006
J.-C. Gauthier, et al.
J. Phys. IV France 133 (2006) 347-350
DOI: 10.1051/jp4:2006133070
Nonlinear kinetic effects induced by electrostatic weak turbulence in Vlasov-Maxwell simulations of stimulated Raman Back-Scattering in optical mixing
A. Ghizzo1, M. Albrecht-Marc1, T. Réveillé1, P. Bertrand1, T.W. Johnston2 and B. Afeyan31 L.P.M.I.A. UMR 7040, Université Henri Poincaré, BP. 239, 54506 Vandoeuvre-les-Nancy Cedex, France
2 I.N.R.S. Énergie et Matériaux, CP 1020, Varennes, J3X1S2, Québec, Canada
3 Polymath Research Inc., Pleasanton, California
Abstract
We report here semi-lagrangian Vlasov-Maxwell simulations of laser-plasma
instabilities in an underdense plasma in which an essential role is
played not only by the conventional instabilities as Stimulated Raman
Back-Scattering (SRBS) (involving the scattering off of high-frequency
electron plasma waves) but also by organized trapped electron modes
resulting from such instabilities. Electron hole merging in phase space
modifies the nonlinear frequency shift of the electron plasma wave. A Raman-like parametric
instability is generated with shifted scattered modes, matching conditions being conserved
in time in spite of the shift.
© EDP Sciences 2006