Hrant H Matevosyan

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A simple model for the dielectric function of a completely ionized plasma with an arbitrary ionic charge that is valid for long-wavelength high-frequency perturbations is derived using an approximate solution of a linearized Fokker-Planck kinetic equation for electrons with a Landau collision integral. The model accounts for both the electron-ion collisions(More)
The microscopic quantum theory of plasma nonlinear interaction with the coherent shortwave electromagnetic radiation of arbitrary intensity is developed. The Liouville-von Neumann equation for the density matrix is solved analytically considering a wave field exactly and a scattering potential of plasma ions as a perturbation. With the help of this solution(More)
In this paper, we report results on our theoretical studies of stopping power contributions from single-particle and plasmon excitations. We have introduced an equipartition ratio defined as the ratio of stopping contributions from plasmon and single-particle excitations, respectively. Within the linear response theory we have made a comprehensive(More)
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