A Toy Model for Magnetized Neutrino-Dominated Accretion Flows
Lei WeiHua, Wang DingXiong, Zhang Lei, Gan ZhaoMing, Zou YuanChuan
TL;DR
This paper introduces a simplified model for magnetized neutrino-dominated accretion flows around black holes, accounting for black hole spin and magnetic field effects, revealing how these factors influence disc properties and energy extraction.
Contribution
It presents a toy model that incorporates relativistic corrections and magnetic field parameterization to study NDAFs with black hole spin effects.
Findings
Disc properties depend on black hole spin and magnetic field ratio.
Higher black hole spin enhances energy extraction.
Lower magnetic pressure ratio increases energy output.
Abstract
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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