Publication Details:
Journal or Publication Title:
Armenian Journal of Physics=Ֆիզիկայի հայկական հանդես
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Yerevan State University, Center of Strong Fields Physics
Subject:
Physics ; Electromagnetism; electron and ion optics ; Optics
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Abstract:
On the base of previous analytical investigations of inverse laser-induced multiphoton bremsstrahlung of electrons on the ions/nuclei in the low-frequency approximation, and nonlinear absorption coefficient of linearly polarized laser radiation of relativistic intensities in plasma is treated via numerical simulations. Some dependences of absorption coefficient on the radiation intensity for moderately strong, as well as asymptotically large values of short laser pulses and high temperatures of plasma are revealed in case of radiation linear polarization. The latter exhibits different absorption law and nonlinear behavior of plasma absorption coefficient comparing with the case of circular polarization.