A Toy Model for Magnetized Neutrino-Dominated Accretion Flows

Details A Toy Model for Magnetized Neutrino-Dominated Accretion Flows A Toy Model for Magnetized Neutrino-Dominated Accretion Flows

2009-06-26

arxiv.org/abs/0906.4967v1

Astronomy and Astrophysics

Astrophysics

High Energy Astrophysical Phenomena

4 pages, 3 figures, accepted for publication in Science in China Series G

Scientific paper

In this paper, we present a simplified model for magnetized neutrino-dominated accretion flow (NDAF) in which effect of black hole (BH) spin is taken into account by adopting a set of relativistic correction factor, and the magnetic field is parameterized as \beta, the ratio of the magnetic pressure to the total pressure. It is found that the disc properties are sensitive to the values of the BH spin and \beta, and more energy can be extracted from NDAF for the faster spin and lower \beta.

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