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arXiv 2103.15701gr-qc
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黑洞周围的静止大质量盘:现实状态方程和分岔

Stationary massive disks around black holes: realistic equation of state and bifurcation

Wojciech Kulczycki, Patryk Mach, Edward Malec

摘要:

我们研究静止和轴对称的黑洞磁盘系统,假设的DD 2和Timmes-Swesty状态方程和三参数家庭的旋转法律相结合。存在两个分支的解决方案,示出分叉,一个合适的特定的熵和旋转定律中的参数。低熵的核物质允许中等质量的开普勒圆盘的存在。

英文摘要:

We study stationary and axially symmetric black hole-disk systems, assuming a combination of the DD2 and Timmes-Swesty equations of state and a three-parameter family of rotation laws. There exist two branches of solutions that are shown to bifurcate, for a suitable specific entropy and a parameter in the rotation law. Low entropy nuclear matter allows for the existence of moderately massive Keplerian disks.

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