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题名: Nonrelativistic phase in gamma-ray burst afterglows
作者: Huang Yongfeng1; Tan, Lu2; Cheng Kwongsang3
刊名: PROGRESS IN NATURAL SCIENCE
出版日期: 2007-11-01
卷号: 17, 期号:11, 页码:1261-1270
关键词: gamma-ray bursts ; afterglows ; jets ; shock waves ; relativity
文章类型: Review
英文摘要: The discovery of multiband afterglows definitely shows that most gamma-ray bursts are of cosmological origin. gamma-ray bursts are found to be one of the most violent explosive phenomena in the Universe, in which astonishing ultra- relativistic motions are involved. In this article, the multiband observational characteristics of gamma-ray bursts and their afterglows are briefly reviewed. The standard model of gamma-ray bursts, i.e. the fireball model, is described. Emphasis is then put on the importance of the nonrelativistic phase of afterglows. The concept of deep Newtonian phase is elaborated. A generic dynamical model applicable in both the relativistic and nonrelativistic phases is introduced. Based on these elaborations, the overall afterglow behaviors, from the very early stages to the very late stages, can be conveniently calculated.
WOS标题词: Science & Technology ; Technology
类目[WOS]: Materials Science, Multidisciplinary ; Multidisciplinary Sciences
研究领域[WOS]: Materials Science ; Science & Technology - Other Topics
关键词[WOS]: 28 FEBRUARY 1997 ; LIGHT CURVES ; EVOLUTION ; REDSHIFT ; MODEL ; GRB-980703 ; PROSPECTS ; FIREBALLS ; EMISSION ; REMNANTS
收录类别: SCI
语种: 英语
WOS记录号: WOS:000252506300001
Citation statistics:
内容类型: 期刊论文
URI标识: http://libir.pmo.ac.cn/handle/332002/15854
Appears in Collections:星系宇宙学和暗能量研究团组_期刊论文

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作者单位: 1.Nanjing Univ, Dept Astron, Nanjing 210093, Peoples R China
2.Purple Mt Observ, Nanjing 210008, Peoples R China
3.Univ Hong Kong, Dept Phys, Hong Kong, Hong Kong, Peoples R China
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