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Self-gravity in neutrino-dominated accretion disks

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arxiv 1407.0790 v1 pith:O5XO65PX submitted 2014-07-03 astro-ph.HE

classification astro-ph.HE
keywords accretionburstsdiskdisksgamma-rayluminosityneutrinoneutrino-dominated
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abstract

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.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Short-duration gamma-ray bursts from Kerr-Newman black hole mergers

    astro-ph.HE 2024-11 reject novelty 4.0 of 10

    A Kerr-Newman black hole produced by a binary black hole merger, with a magnetized disk, can power a short gamma-ray burst via the Blandford-Znajek mechanism, and the model is applied to GW150914.

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