论文标题

热力学上稳定的渐近平坦毛茸茸的黑孔,具有Dilaton潜力:一般情况

Thermodynamically stable asymptotically flat hairy black holes with a dilaton potential: the general case

论文作者

Astefanesei, Dumitru, Blázquez-Salcedo, Jose Luis, Gómez, Francisco, Rojas, Raúl

论文摘要

我们扩展了在Arxiv:1901.01269中启动的分析,该分析是通过在Einstein-Maxwell-Dilaton理论中具有非琐碎diLATON电位的四维渐近平坦毛茸茸的黑洞的热力学稳定性。我们发现,无论该理论的参数的值如何,总是存在一个子类的毛线黑洞,这些黑洞在热力学上稳定,并且具有良好的极限限制。使局部稳定的平衡配置的这种通用特征应与dialton电位的特性有关,该特性趋于衰减空间无穷大,但表现为靠近地平线的盒子。我们证明,在球形对称扰动下,这些热力学稳定的溶液也动态稳定。

We extend the analysis, initiated in arXiv:1901.01269, of the thermodynamic stability of four-dimensional asymptotically flat hairy black holes by considering a general class of exact solutions in Einstein-Maxwell-dilaton theory with a non-trivial dilaton potential. We find that, regardless of the values of the parameters of the theory, there always exists a sub-class of hairy black holes that are thermodynamically stable and have the extremal limit well defined. This generic feature that makes the equilibrium configurations locally stable should be related to the properties of the dilaton potential that is decaying towards the spatial infinity, but behaves as a box close to the horizon. We prove that these thermodynamically stable solutions are also dynamically stable under spherically symmetric perturbations.

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