Collisional effects on the relativistic current-filamentation instability in dense plasmas
文献类型：期刊论文
| 作者 | Hao, B ; Sheng, ZM ; Zhang, J ; Li, YT |
| 刊名 | LASER AND PARTICLE BEAMS
 |
| 出版日期 | 2014 |
| 卷号 | 32期号:1页码:79 |
| 关键词 | Filamentation instability Relativistic electron beam Dense plasma Collisional effect |
| ISSN号 | 0263-0346 |
| 通讯作者 | Sheng, ZM (reprint author), Shanghai Jiao Tong Univ, Minist Educ, Key Lab Laser Plasmas, Shanghai 200030, Peoples R China. |
| 中文摘要 | Collisional effects on the current-filamentation instability (CFI), accounting for the space charge effect (SCE), are investigated kinetically for a relativistic beam propagating in dense plasmas. It is shown that collisions can completely suppress the SCE in low temperature dense plasma, leading to enhancement of the CFI. This kind of decoupling mechanism is quite different from the well-known resistive mechanism [Molvig (1975). Phys. Rev. Lett. 35, 1504]. In particular, we find the present decoupling mechanism can well explain the recent numerical simulation results [Karmakar et al. (2008). Phys. Rev. Lett. doi: 101, 255001]. In the parameter regime related to the laser-solid interaction and fast ignition scenario (FIS), the CFI growth rate with SCE included is enhanced in the low plasma density region through the decoupling mechanism. In the high plasma density region, it is enhanced mainly through the resistive mechanism. |
| 资助信息 | National Basic Research Program of China [2013CBA01504]; National Science Foundation of China [11121504, 11075105, 11220101002] |
| 语种 | 英语 |
| 公开日期 | 2015-04-14 |
| 源URL | [http://ir.iphy.ac.cn/handle/311004/59305]  |
| 专题 | 物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文 |
| 推荐引用方式 GB/T 7714 | Hao, B,Sheng, ZM,Zhang, J,et al. Collisional effects on the relativistic current-filamentation instability in dense plasmas[J]. LASER AND PARTICLE BEAMS,2014,32(1):79. |
| APA | Hao, B,Sheng, ZM,Zhang, J,&Li, YT.(2014).Collisional effects on the relativistic current-filamentation instability in dense plasmas.LASER AND PARTICLE BEAMS,32(1),79. |
| MLA | Hao, B,et al."Collisional effects on the relativistic current-filamentation instability in dense plasmas".LASER AND PARTICLE BEAMS 32.1(2014):79. |
入库方式： OAI收割
来源：物理研究所
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