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Particle Acceleration in Astrophysical Shock Waves and Laser-Induced Plasma Waves and its Simulation

Yazdanpanah, Jamaloddin | 2013

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  1. Type of Document: Ph.D. Dissertation
  2. Language: Farsi
  3. Document No: 47936 (04)
  4. University: Sharif University of Technology
  5. Department: Physics
  6. Advisor(s): Anvari, Abbas; Samimi, Jalal
  7. Abstract:
  8. In this thesis, plasam kinetic aspects causing production of high-energy super-thermal particles in strongly nonlinear perturbations, including relativistic electron waves and shock waves occurred respectively in astrophysical and laser produced plasmas, have been studeied. Importance of kinetic simulations in this area has been demonstrated. In this respect, passing serious challenges, we have prepared a kinetic particle-in-cell (PIC) code and applied it within our supplied computational-resources. Relativistic electron waves produced via interaction of laser with tenouse plasmas have been deeply studied. These studies have resulted in new findings in fluid description of these waves, limitations of this description and the wave-breaking phenomenon. The wave breaking causes injection of accelerating electrons into the accelerating phase of plasma waves and hence production of desired energetic electrons
  9. Keywords:
  10. High Energy Particles ; Wave Breaking ; Parallel Processing ; Astrophysical Shock Waves ; Electron Plasma Waves ; Kinetic Plasma Simulation ; Partical-in-Cell Method

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