Effects of relativistic electron temperature on parametric instabilities for intense laser propagation in underdense plasma

Yao Zhao; Jun Zheng; Min Chen; Lu Le Yu; Su Ming Weng; Chuang Ren; Chuan Sheng Liu; Zheng-Ming Sheng

doi:10.1063/1.4902517

Effects of relativistic electron temperature on parametric instabilities for intense laser propagation in underdense plasma

Yao Zhao, Jun Zheng, Min Chen, Lu Le Yu, Su Ming Weng, Chuang Ren, Chuan Sheng Liu, Zheng-Ming Sheng

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Abstract

Effects of relativistic electron temperature on stimulated Raman scattering and stimulated Brillouin scattering instabilities for high intensity lasers propagating in underdense plasma are studied theoretically and numerically. The dispersion relations for these instabilities are derived from the relativistic fluid equation. For a wide range of laser intensity and electron temperature, it is found that the maximum growth rate and the instability region in k-space can be reduced at relativistic electron temperature. Particle-in-cell simulations are carried out, which confirm the theoretical analysis.

Original language	English
Article number	112114
Number of pages	8
Journal	Physics of Plasmas
Volume	21
Issue number	11
Early online date	21 Nov 2014
DOIs	https://doi.org/10.1063/1.4902517
Publication status	Published - Nov 2014

Keywords

plasma temperature
plasma instabilities
electron temperature
laser propagation

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10.1063/1.4902517

Zhao-etal-PP2014-intense-laser-propagation-in-underdense-plasmaAccepted author manuscript, 1.54 MB

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title = "Effects of relativistic electron temperature on parametric instabilities for intense laser propagation in underdense plasma",

abstract = "Effects of relativistic electron temperature on stimulated Raman scattering and stimulated Brillouin scattering instabilities for high intensity lasers propagating in underdense plasma are studied theoretically and numerically. The dispersion relations for these instabilities are derived from the relativistic fluid equation. For a wide range of laser intensity and electron temperature, it is found that the maximum growth rate and the instability region in k-space can be reduced at relativistic electron temperature. Particle-in-cell simulations are carried out, which confirm the theoretical analysis.",

keywords = "plasma temperature, plasma instabilities, electron temperature , laser propagation",

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T1 - Effects of relativistic electron temperature on parametric instabilities for intense laser propagation in underdense plasma

AU - Zhao, Yao

AU - Zheng, Jun

AU - Chen, Min

AU - Yu, Lu Le

AU - Weng, Su Ming

AU - Ren, Chuang

AU - Liu, Chuan Sheng

AU - Sheng, Zheng-Ming

N1 - Copyright 2014 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Phys. Plasmas 21 and may be found at http://scitation.aip.org/content/aip/journal/pop/21/11/10.1063/1.4902517

PY - 2014/11

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N2 - Effects of relativistic electron temperature on stimulated Raman scattering and stimulated Brillouin scattering instabilities for high intensity lasers propagating in underdense plasma are studied theoretically and numerically. The dispersion relations for these instabilities are derived from the relativistic fluid equation. For a wide range of laser intensity and electron temperature, it is found that the maximum growth rate and the instability region in k-space can be reduced at relativistic electron temperature. Particle-in-cell simulations are carried out, which confirm the theoretical analysis.

AB - Effects of relativistic electron temperature on stimulated Raman scattering and stimulated Brillouin scattering instabilities for high intensity lasers propagating in underdense plasma are studied theoretically and numerically. The dispersion relations for these instabilities are derived from the relativistic fluid equation. For a wide range of laser intensity and electron temperature, it is found that the maximum growth rate and the instability region in k-space can be reduced at relativistic electron temperature. Particle-in-cell simulations are carried out, which confirm the theoretical analysis.

KW - plasma temperature

KW - plasma instabilities

KW - electron temperature

KW - laser propagation

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Effects of relativistic electron temperature on parametric instabilities for intense laser propagation in underdense plasma

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Keywords

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