Laser-driven inertial ion focusing

被引：13

作者：

Zhuo, H. B. ^{[1
]}

Yu, Wei ^{[2
,3
]}

Yu, M. Y. ^{[3
,4
]}

Xu, H. ^{[1
]}

Wang, X. ^{[2
]}

Shen, B. F. ^{[2
]}

Sheng, Z. M. ^{[5
]}

Zhang, J. ^{[5
]}

机构：

[1] Natl Univ Def Technol, Sch Comp Sci, Natl Lab Parallel & Distributed Proc, Changsha 410073, Hunan, Peoples R China

[2] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China

[3] Zhejiang Univ, Inst Fus Theory & Simulat, Hangzhou 310027, Peoples R China

[4] Ruhr Univ Bochum, Inst Theoret Phys 1, D-44780 Bochum, Germany

[5] Jiao Tong Univ, Dept Phys, Shanghai 200240, Peoples R China

来源：

PHYSICAL REVIEW E | 2009年 / 79卷 / 01期

关键词：

laser fusion; neutron sources; particle beam focusing; ELECTROSTATIC CONFINEMENT; FUSION;

D O I：

10.1103/PhysRevE.79.015401

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

A Hohlraum-like configuration is proposed for realizing a simple compact source for neutrons. A laser pulse enters a tiny thin-shelled hollow-sphere target through a small opening and is self-consistently trapped in the cavity. The electrons in the inner shell-wall region are expelled by the light pressure. The resulting space-charge field compresses the local ions into a thin layer that becomes strongly heated. An inward expansion of ions into the shell cavity then occurs, resulting in the formation at the cavity center of a hot spot of ions at high density and temperature, similar to that in inertial electrostatic confinement.

引用

页数：4

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