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Overcharging problem and thermodynamics in extended phase spaces
Nuclear Physics B ( IF 2.8 ) Pub Date : 2020-06-09 , DOI: 10.1016/j.nuclphysb.2020.115089
Deyou Chen , Shan Zeng

In this paper, the overcharging problem and thermodynamics in the extended phase spaces of the five-dimensional spherically symmetric topological black holes are investigated by absorptions of scalar particles and fermions. The cosmological constant is regarded as a variable related to pressure and its conjugate quantity is a thermodynamic volume. The first law of thermodynamics is recovered. The second law is violated in the extended phase space of the extremal and near-extremal black holes. The overcharging problem is tested by the existence of the event horizons. The event horizon is determined by the metric component f(r). The minimal values of the metric component at the final stage show that the extremal and near-extremal black holes can not be overcharged.



中文翻译:

扩展相空间中的过充电问题和热力学

通过标量粒子和费米子的吸收,研究了五维球形对称拓扑黑洞扩展相空间中的过充电问题和热力学。宇宙常数被视为与压力有关的变量,其共轭量为热力学体积。恢复了热力学的第一定律。在极黑洞和近极黑洞的扩展相空间中违反了第二定律。通过事件范围的存在来测试过度充电问题。事件范围由指标组件确定F[R。在最后阶段,度量成分的最小值表明,极端和接近极端的黑洞不会被过度充电。

更新日期:2020-06-18
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