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arXiv 2212.06205gr-qc
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新Schwarzschild黑洞的热涨落演化

Thermal Fluctuations Evolution of the New Schwarzschild Black Hole

Zunaira Akhtar, Rimsha Babar, Riasat Ali

摘要:

我们研究了新Schwarzschild黑洞的热力学分析和对数修正。我们计算热力学量,如熵,霍金温度和热容。黑洞的面积永远不会减少,因为它们由于高引力而吸收周围的一切。在这方面,贝肯斯坦提出的面积熵关系需要修正,导致对数修正的概念。为此,我们得到了新Schwarzschild黑洞的修正熵来分析热涨落的影响,并在修正参数$η$的存在下计算了比热、内能、Helmholtz自由能、Gibbs自由能、焓和压力等热力学量.此外,我们检查系统的稳定性的帮助下,热容和著名的海森矩阵技术。通过我们的图形分析,我们观察到热涨落影响小半径黑洞的稳定性(例如,新Schwarzchild黑洞),因此,小黑洞得到不稳定的区域,由于这些一阶修正。

英文摘要:

We study the thermodynamic analysis and logarithm corrections of the new Schwarzschild black hole. We compute the thermodynamic quantities like entropy, Hawking temperature and heat capacity. The area of black holes never decreases because they absorb everything from their surroundings due to high gravity. In this regard, the area-entropy relation proposed by Bekenstein needs to be corrected, leading to the concept of logarithmic corrections. To do so, we obtain the corrected entropy for new Schwarzschild black hole to analyze the effects of thermal fluctuations and we evaluate the thermodynamic quantities like specific heat, internal energy, Helmholtz free energy, Gibbs free energy, enthalpy and pressure in the presence of correction parameter $η$. Furthermore, we check the stability of the system with the help of heat capacity and well known Hessian matrix technique. By our graphical analysis, we observe that the thermal fluctuations effects the stability of small radii black holes (e.g., New Schwarzchild black hole) and therefore, small black holes get unstable regions due to these first order corrections.

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