Effects of Lorentz Breaking on the Accretion onto a Schwarzschild-like Black Hole

被引：0

作者：

杨荣佳 ^{[1
,2
,3
]}

高贺 ^{[1
]}

郑瑶光 ^{[1
]}

吴琴 ^{[4
]}

机构：

[1] College of Physical Science and Technology, Hebei University

[2] Hebei Key Lab of Optic-Electronic Information and Materials, Hebei University

[3] National-Local Joint Engineering Laboratory of New Energy Photoelectric Devices, Hebei University

[4] School of Information Engineering, Guangdong Medical University

来源：

Communications in Theoretical Physics | 2019年 / 71卷 / 05期

基金：

中国国家自然科学基金;

关键词：

accretion; mass accretion rate; Lorentz breaking; Schwarzschild-like black hole;

D O I：

暂无

中图分类号：

P145.8 [塌缩星（黑洞）];

学科分类号：

070401 ;

摘要：

We formulate and solve the problem of spherically symmetric, steady state, adiabatic accretion onto a Schwarzschild-like black hole obtained recently. We derive the general analytic expressions for the critical points, the critical velocity, the critical speed of sound, and subsequently the mass accretion rate. The case for polytropic gas is discussed in detail. We find the parameter characterizing the breaking of Lorentz symmetry will slow down the mass accretion rate, while has no effect on the gas compression and the temperature profile below the critical radius and at the event horizon.

引用

页码：568 / 572

页数：5

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