Generation of collimated beams of relativistic ions in laser-plasma interactions

被引：107

作者：

Bulanov, SV

Esirkepov, TZ

Califano, F

Kato, Y

Liseikina, TV

Mima, K

Naumova, NM

Nishihara, K

Pegoraro, F

Ruhl, H

Sentoku, Y

Ueshima, Y

机构：

[1] Russian Acad Sci, Inst Gen Phys, Moscow 117942, Russia

[2] Moscow Inst Phys & Technol, Dolgoprudnyi 141700, Moscow Region, Russia

[3] INFM, Sez A, I-56126 Pisa, Italy

[4] APRC JAERI Kansai, Kyoto 6190215, Japan

[5] Russian Acad Sci, Siberian Div, Inst Computat Technol, Novosibirsk 630090, Russia

[6] Osaka Univ, Inst Laser Engn, Osaka 5650105, Japan

[7] Univ Pisa, I-56126 Pisa, Italy

[8] TH Darmstadt, TQE, D-64289 Darmstadt, Germany

[9] APRC JAERI Kansai, Neyagawa, Osaka 572, Japan

来源：

JETP LETTERS | 2000年 / 71卷 / 10期

关键词：

D O I：

10.1134/1.568365

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A method is proposed for generating collimated beams of fast ions in laser-plasma interactions. Two-dimensional and three-dimensional particle-in-cell simulations show that the ponderomotive force expels electrons from the plasma region irradiated by a laser pulse. The ions with unneutralized electric charge that remain in this region are accelerated by Coulomb repulsive forces. The ions are focused by tailoring the target and also as a result of pinching in the magnetic field produced by the electric current of fast ions. (C) 2000 MAIK "Nauka/Interperiodica".

引用

页码：407 / 411

页数：5

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