| Issue |
EPL
Volume 127, Number 3, August 2019
|
|
|---|---|---|
| Article Number | 35001 | |
| Number of page(s) | 6 | |
| Section | Physics of Gases, Plasmas and Electric Discharges | |
| DOI | https://doi.org/10.1209/0295-5075/127/35001 | |
| Published online | 05 September 2019 | |
Characteristics of Thomson scattering in degenerate quantum plasmas: Quantum-recoil effect
1 Department of Physics, Hanyang University - Seoul 04763, South Korea
2 Research Institute for Natural Sciences, Hanyang University - Seoul 04763, South Korea
3 Department of Physics, Faculty of Science, Arak University - Arak 38156-88349, Iran
4 Department of Applied Physics and Department of Bionanotechnology, Hanyang University Ansan, Kyunggi- Do 15588, South Korea
5 Department of Electrical and Computer Engineering, MC 0407, University of California, San Diego 9500 Gilman Drive, La Jolla, CA 92093-0407, USA
Received: 7 June 2019
Accepted: 17 July 2019
The quantum-recoil effect on Thomson scattering is investigated in degenerate quantum plasmas. The Thomson scattering cross-section in degenerate quantum plasmas is obtained by the fluctuation-dissipation relation and plasma dielectric function as a function of the plasmon energy, Fermi energy, wave number, and scattering angle. It is shown that the influence of the quantum recoil suppresses the Salpeter structure factor in degenerate quantum plasmas. It is also shown that the structure factor and the differential Thomson scattering cross-section decrease with an increase of the Fermi energy. In addition, it is found that the influence of the Fermi energy on the differential Thomson scattering cross-section is important in the backward scattering regions. Moreover, the total Thomson scattering cross-section has been shown to increase as the scaled plasmon energy increases in degenerate quantum plasmas.
PACS: 52.25.Os – Emission, absorption, and scattering of electromagnetic radiation / 52.40.Db – Electromagnetic (nonlaser) radiation interactions with plasma / 42.25.Bs – Wave propagation, transmission and absorption
© EPLA, 2019
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