Positive-particle acceleration by a short laser pulse in a plasma

被引：0

作者：

Du, CG ^{[1
]}

Li, SQ ^{[1
]}

机构：

[1] Tsing Hua Univ, Dept Phys, Beijing 100084, Peoples R China

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2000年 / 69卷 / 08期

关键词：

positive-particle acceleration; plasma; short laser pulse;

D O I：

10.1143/JPSJ.69.2498

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The dynamics of a charged particle interacting with a short laser pulse propagating in a plasma is studied analytically and numerically. It is shown that the dynamics of a positive particle is quite different from that of a negative one of the same absolute charge-mass ratio, except for the case of ultrashort pulses (L << lambda(p)). A positive particle may be accelerated to very high energy even when both the pulse intensity and the particle injection energy are low. The dependence of the particle dynamics on the pulse length is studied in detail.

引用

页码：2498 / 2502

页数：5

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