期刊
NEW ASTRONOMY REVIEWS
卷 79, 期 -, 页码 1-25出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.newar.2017.07.001
关键词
Accretion; Accretion disks; Black hole physics; Gamma-ray burst: general; Gravitational waves; Neutrinos
资金
- National Basic Research Program of China (973 Program) [2014CB845800]
- National Natural Science Foundation of China [11473022, 11333004, 11573023]
Neutrino-dominated accretion flows (NDAFs) around rotating stellar-mass black holes (BHs) are plausible candidates for the central engines of gamma-ray bursts (GRBs). NDAFs are hyperaccretion disks with accretion rates in the range of around 0.001-10 M-circle dot s(-1), which have high density and temperature and therefore are extremely optically thick and geometrically slim or even thick. We review the theoretical progresses in studying the properties of NDAFs as well as their applications to the GRB phenomenology. The topics include: the steady radial and vertical structure of NDAFs and the implications for calculating neutrino luminosity and annihilation luminosity, jet power due to neutrino-antineutrino annihilation and Blandford-Znajek mechanism and their dependences on parameters such as BH mass, spin, and accretion rate, time evolution of NDAFs, effect of magnetic fields, applications of NDAF theories to the GRB phenomenology such as lightcurve variability, extended emission, X-ray flares, kilonovae, etc., as well as probing NDAFs using multi-messenger signals such as MeV neutrinos and gravitational waves. (C) 2017 Elsevier B.V. All rights reserved.
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