Laser acceleration of ion bunches at the front surface of overdense plasmas

被引：489
|
作者：
Macchi, A
Cattani, F
Liseykina, TV
Cornolti, F
机构：
[1] Univ Pisa, Ist Nazl Fis Mat, I-56127 Pisa, Italy
[2] Univ Pisa, Dipartimento Fis E Fermi, POLYLAB, I-56127 Pisa, Italy
来源：
PHYSICAL REVIEW LETTERS | 2005年 / 94卷 / 16期
关键词：
D O I：
10.1103/PhysRevLett.94.165003
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The acceleration of ions in the interaction of high intensity laser pulses with overdense plasmas is investigated with particle-in-cell simulations. For circular polarization of the laser pulses, high-density ion bunches moving into the plasma are generated at the laser-plasma interaction surface. A simple analytical model accounts for the numerical observations and provides scaling laws for the ion bunch energy and generation time as a function of pulse intensity and plasma density.
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页数：4
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