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Dynamical evolution of gamma-ray burst remnants with evolving radiative efficiency
Feng, JB; Huang, YF; Dai, ZG; Lu, T
2002
发表期刊CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS
卷号2期号:6页码:525-532
通讯作者Nanjing Univ, Dept Astron, Nanjing 210093, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, LCRHEA, Beijing 100039, Peoples R China
摘要In previous works, a generic dynamical model has been suggested by Huang. et al., which is shown to be correct for both adiabatic and radiative blast-waves, in both ultra-relativistic and non-relativistic phases. In deriving their equations, Huang et al. have assumed that the radiative efficiency of the fireball is constant. They then applied their model directly to realistic cases where the radiative efficiency evolves with time. In this paper, we abandon the above assumption and re-derive a more accurate dynamical equation for gamma-ray burst remnants. Numerical results show that the model presented by Huang et al. is accurate enough in general cases.
文章类型Article
关键词gamma rays : bursts hydrodynamics radiation mechanisms : nonthermal
学科领域Astronomy & Astrophysics
研究领域[WOS]Astronomy & Astrophysics
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语种英语
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000180195600004
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被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/237824
专题粒子天体物理中心
作者单位中国科学院高能物理研究所
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Feng, JB,Huang, YF,Dai, ZG,et al. Dynamical evolution of gamma-ray burst remnants with evolving radiative efficiency[J]. CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS,2002,2(6):525-532.
APA Feng, JB,Huang, YF,Dai, ZG,&Lu, T.(2002).Dynamical evolution of gamma-ray burst remnants with evolving radiative efficiency.CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS,2(6),525-532.
MLA Feng, JB,et al."Dynamical evolution of gamma-ray burst remnants with evolving radiative efficiency".CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS 2.6(2002):525-532.
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