Coulomb implosion mechanism of negative ion acceleration in laser plasmas

被引：17

作者：

Nakamura, T. ^{[1
]}

Fukuda, Y. ^{[1
]}

Yogo, A. ^{[1
]}

Tampo, M. ^{[1
]}

Kando, M. ^{[1
]}

Hayashi, Y. ^{[1
]}

Kameshima, T. ^{[1
]}

Pirozhkov, A. S. ^{[1
]}

Esirkepov, T. Zh. ^{[1
]}

Pikuz, T. A. ^{[1
]}

Faenov, A. Ya. ^{[1
]}

Daido, H. ^{[1
]}

Bulanov, S. V. ^{[1
]}

机构：

[1] Kansai Photon Sci Inst JAEA, Kyoto 6190215, Japan

来源：

PHYSICS LETTERS A | 2009年 / 373卷 / 30期

关键词：

PROTON-BEAMS; GENERATION; ELECTRON; DRIVEN; IRRADIATION; EXPLOSION; IGNITION;

D O I：

10.1016/j.physleta.2009.05.043

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Coulomb implosion mechanism of the negatively charged ion acceleration in laser plasmas is proposed. When a cluster target is irradiated by an intense laser pulse and the Coulomb explosion of positively charged ions occurs, the negative ions are accelerated inward. The maximum energy of negative ions is several times lower than that of positive ions. We present the theoretical description and Particle-in-Cell simulation results of the Coulomb implosion mechanism, and show the evidence of the negative ion acceleration in the experiments on the high intensity laser pulse interaction with the cluster targets. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：2584 / 2587

页数：4

共 55 条

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