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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 2 Pith papers

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

  1. Impact of Neutrino Flavour Conversion on the Diffuse Neutrino Background from Neutrino-dominated Accretion Flows

    astro-ph.HE 2026-08 conditional novelty 5.0 of 10

    Neutrino flavour conversion strongly suppresses the diffuse neutrino background from neutrino-dominated accretion flows if the neutrino mass ordering is inverted, leaving a detectable signal only in the normal ordering.

  2. 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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