Fan 2006 Swift暴的X射线余辉

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astro-ph/0612375 [abs, ps, pdf, other] :

Title: The interpretation of the Swift GRB X-ray afterglows
Authors: Yi-Zhong Fan
Comments: 5 pages including 1 figure, to appear in "Il Nuovo Cimento"

We discuss the current interpretations of the {\it Swift} GRB X-ray afterglows, mainly focusing on the sharp decline at the prompt tail emission, and the shallow decay afterward, which is then followed by the conventional pre-\emph{Swift} decay behavior, and the possible X-ray flares during the latter two stages. We emphasize the role of the central engine in interpreting the GRB afterglows.