Current Filamentation Instability in Laser Wakefield Accelerators

被引：39

作者：

Huntington, C. M. ^{[1
]}

Thomas, A. G. R. ^{[2
]}

McGuffey, C. ^{[2
]}

Matsuoka, T. ^{[2
]}

Chvykov, V. ^{[2
]}

Kalintchenko, G. ^{[2
]}

Kneip, S. ^{[3
]}

Najmudin, Z. ^{[3
]}

Palmer, C. ^{[3
]}

Yanovsky, V. ^{[2
]}

Maksimchuk, A. ^{[2
]}

Drake, R. P. ^{[1
]}

Katsouleas, T. ^{[4
]}

Krushelnick, K. ^{[2
]}

机构：

[1] Univ Michigan, Ann Arbor, MI 48103 USA

[2] Univ Michigan, Ctr Ultrafast Opt Sci, Ann Arbor, MI 48109 USA

[3] Univ London Imperial Coll Sci Technol & Med, Blackett Lab, London SW7 2BZ, England

[4] Duke Univ, Platt Sch Engn, Durham, NC 27708 USA

来源：

PHYSICAL REVIEW LETTERS | 2011年 / 106卷 / 10期

基金：

美国国家科学基金会; 英国工程与自然科学研究理事会;

关键词：

PLASMA; ELECTRONS; BEAMS;

D O I：

10.1103/PhysRevLett.106.105001

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Experiments using an electron beam produced by laser-wakefield acceleration have shown that varying the overall beam-plasma interaction length results in current filamentation at lengths that exceed the laser depletion length in the plasma. Three-dimensional simulations show this to be a combination of hosing, beam erosion, and filamentation of the decelerated beam. This work suggests the ability to perform scaled experiments of astrophysical instabilities. Additionally, understanding the processes involved with electron beam propagation is essential to the development of wakefield accelerator applications.

引用

页数：4

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