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Self-gravity in Neutrino-dominated Accretion Disks by Liu, Tong; Yu, Xiao-Fei; Gu, Wei-Min; Lu, Ju-Fu is a scholarly article available to read on EtoBox.

What is Self-gravity in Neutrino-dominated Accretion Disks about?

We present the effects of the self-gravity on the vertical structure and neutrino luminosity of the neutrino-dominated accretion disks in cylindrical coordinates. It is found that significant changes of the structure appear in the outer region of the disk, especially for high accretion rates (e.g., $\ga 1 M_\odot~\rm s^{-1}$), and thus causes the slight increase of the neutrino luminosity. Furthermore, the gravitational instability of the disk is reviewed by the vertical distribution of the Toomre parameter \citep{Toomre1964}, which may account for the late-time flares in gamma-ray bursts and the extended emission in short-duration gamma-ray bursts.

Author

Liu, Tong; Yu, Xiao-Fei; Gu, Wei-Min; Lu, Ju-Fu

Published

2014

Language

EN