Volume 102, Number 4, May 2013
|Number of page(s)||6|
|Section||Physics of Gases, Plasmas and Electric Discharges|
|Published online||12 June 2013|
Effects of turbulence on the Thomson scattering process in turbulent plasmas by the scattering of electromagnetic waves
Department of Physics, Applied Physics, and Astronomy, Rensselaer Polytechnic Institute 110 Eighth Street, Troy, NY 12180-3590, USA and Department of Applied Physics, Hanyang University - Ansan, Kyunggi-Do 426-791, South Korea
Received: 20 February 2013
Accepted: 17 May 2013
The effects of turbulence on the Thomson scattering process are investigated in turbulent plasmas. The Thomson scattering cross section in turbulent plasmas is obtained by the fluctuation-dissipation theorem and plasma dielectric function as a function of the diffusion coefficient, wave number, and Debye length. It is demonstrated that the turbulence effect suppresses the Thomson scattering cross section. It is also shown that the turbulence effect on the Thomson scattering process decreases with increasing thermal energy. The dependence of the wave number on the total Thomson scattering cross section including the turbulent structure factor is also discussed.
This paper is dedicated to the late Prof. P. K. Shukla in memory of exciting and stimulating collaborations on effective interaction potentials in various astrophysical and laboratory plasmas.
PACS: 52.40.Db – Electromagnetic (nonlaser) radiation interactions with plasma / 52.25.Os – Emission, absorption, and scattering of electromagnetic radiation / 42.25.Bs – Wave propagation, transmission and absorption
© EPLA, 2013
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