NONLINEAR-THEORY AND SIMULATIONS OF STIMULATED BRILLOUIN BACKSCATTER IN MULTISPECIES PLASMAS

被引：26

作者：

WILKS, SC ^{[1
]}

KRUER, WL ^{[1
]}

DENAVIT, J ^{[1
]}

ESTABROOK, K ^{[1
]}

HINKEL, DE ^{[1
]}

KALANTAR, D ^{[1
]}

LANGDON, AB ^{[1
]}

MACGOWAN, B ^{[1
]}

MONTGOMERY, DS ^{[1
]}

WILLIAMS, EA ^{[1
]}

机构：

[1] LAWRENCE LIVERMORE NATL LAB, LIVERMORE, CA 94550 USA

来源：

PHYSICAL REVIEW LETTERS | 1995年 / 74卷 / 25期

关键词：

D O I：

10.1103/PhysRevLett.74.5048

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present the first detailed particle-in-cell simulation studies of stimulated Brillouin scattering (SBS) in an underdense plasma composed of multi-ion species. In particular, collisionless nonlinear saturation mechanisms are well modeled, and are found to depend critically on the plasma composition. The effect of a self-consistently evolved non-Maxwellian ion distribution can be observed in detail. He, H, C5H12, C5D12, CO2, and various mixtures of these gases are studied in these simulations. The reflectivities due to the SBS instability show many of the trends seen in experiments with these gases. © 1995 The American Physical Society.

引用

页码：5048 / 5051

页数：4

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