4.4 Article

Effects of relativistic electron temperature on parametric instabilities for intense laser propagation in underdense plasma

Journal

PHYSICS OF PLASMAS
Volume 21, Issue 11, Pages -

Publisher

AIP Publishing
DOI: 10.1063/1.4902517

Keywords

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Funding

  1. National Basic Research Program of China [2013CBA01504]
  2. National Science Foundation of China [11121504, 11129503, 11374210, 11405108]
  3. MOST international collaboration project [2014DFG02330]
  4. National 1000 Youth Talent Project of China
  5. U.S. DOE [DE-FC02-04ER54789, DE-SC0012316]
  6. NSF [PHY-1314734]
  7. U.S. Department of Energy (DOE) [DE-SC0012316] Funding Source: U.S. Department of Energy (DOE)
  8. Direct For Mathematical & Physical Scien
  9. Division Of Physics [1314734] Funding Source: National Science Foundation

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Effects of relativistic electron temperature on stimulated Raman scattering and stimulated Brillouin scattering instabilities for high intensity lasers propagating in underdense plasma are studied theoretically and numerically. The dispersion relations for these instabilities are derived from the relativistic fluid equation. For a wide range of laser intensity and electron temperature, it is found that the maximum growth rate and the instability region in k-space can be reduced at relativistic electron temperature. Particle-in-cell simulations are carried out, which confirm the theoretical analysis. (C) 2014 AIP Publishing LLC.

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