Knot in centaurus A: A stochastic magnetic field for diffusive synchrotron radiation?
文献类型：期刊论文
| 作者 | Mao JR(毛基荣) ; Wang JC(王建成)
|
| 刊名 | ASTROPHYSICAL JOURNAL
 |
| 出版日期 | 2007-11-01 |
| 卷号 | 669期号:1页码:L13-L16 |
| 关键词 | galaxies : active galaxies : individual ( Centaurus A) galaxies : jets radiation mechanisms : nonthermal turbulence |
| ISSN号 | 0004-637X |
| 产权排序 | 第一完成单位 |
| 通讯作者 | Mao, J (reprint author), Chinese Acad Sci, Natl Astron Observ, Yunnan Observ, Kunming, Yunnan Province, Peoples R China. |
| 英文摘要 | The emission of relativistic electrons moving in the random and small-scale magnetic field is presented by diffusive synchrotron radiation (DSR). In this Letter, we revisit the perturbative treatment of DSR. We propose that a random and small-scale magnetic field might be generated by the turbulence. As an example, multiband radiation of the knot in Cen A comes from the electrons with energy gamma(e) similar to 10(3 -) 10(4) in the magnetic field of 10(-3) G. The multiband spectrum of DSR is well determined by the feature of a stochastic magnetic field. These results put strong constraints on the models of particle acceleration. |
| WOS标题词 | Science & Technology ; Physical Sciences |
| 学科主题 | Astronomy & Astrophysics |
| 类目[WOS] | Astronomy & Astrophysics |
| 研究领域[WOS] | Astronomy & Astrophysics |
| 关键词[WOS] | FULLY-DEVELOPED TURBULENCE ; COSMIC-RAY ACCELERATION ; WEIBEL INSTABILITY ; PARTICLE-ACCELERATION ; RELATIVISTIC SHOCKS ; MAGNETOHYDRODYNAMIC TURBULENCE ; COLLISIONLESS SHOCKS ; PLASMA SHOCKS ; BURST SOURCES ; GENERATION |
| 收录类别 | SCI |
| 原文出处 | http://iopscience.iop.org/1538-4357/669/1/L13/ |
| 语种 | 英语 |
| WOS记录号 | WOS:000250480700004 |
| 源URL | [http://ir.ynao.ac.cn/handle/114a53/4954]  |
| 专题 | 云南天文台_高能天体物理研究组 |
| 作者单位 | Yunnan Observatory, National Astronomical Observatories, Chinese Academy of Sciences, Kunming, Yunnan Province, China |
| 推荐引用方式 GB/T 7714 | Mao JR,Wang JC. Knot in centaurus A: A stochastic magnetic field for diffusive synchrotron radiation?[J]. ASTROPHYSICAL JOURNAL,2007,669(1):L13-L16. |
| APA | Mao JR,&Wang JC.(2007).Knot in centaurus A: A stochastic magnetic field for diffusive synchrotron radiation?.ASTROPHYSICAL JOURNAL,669(1),L13-L16. |
| MLA | Mao JR,et al."Knot in centaurus A: A stochastic magnetic field for diffusive synchrotron radiation?".ASTROPHYSICAL JOURNAL 669.1(2007):L13-L16. |
入库方式： OAI收割
来源：云南天文台
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