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arXiv 2301.13627gr-qc
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磁化Ernst类黑洞的隧穿和热力学演化

Tunneling and thermodynamics evolution of the magnetized Ernst-like black hole

Riasat Ali, Zunaira Akhtar, Kazuharu Bamba, M. Umar Khan

摘要:

研究了磁化类厄恩斯特黑洞视界中粒子的隧穿现象。我们采用修正的拉格朗日方程与扩展的不确定原理的黑洞。我们利用场方程中的WKB方法确定了该黑洞的隧穿速率和相应的霍金温度。此外,我们还研究了霍金温度与黑洞事件视界的关系。通过考虑量子引力对霍金温度的影响,我们探讨了这个黑洞的稳定性分析。磁化的类恩斯特黑洞的温度随修正参数的减小而升高。此外,我们用不同的方法分析了霍金温度、热容和贝肯斯坦熵等热力学量。我们得到了修正熵,研究了对数修正对不同热力学量的影响。结果表明,这些修正项使系统在热涨落下稳定。

英文摘要:

We investigate the tunneling phenomenon of particles through the horizon of a magnetized Ernst-like black hole. We employ the modified Lagrangian equation with the extended uncertainty principle for this black hole. We determine a tunneling rate and the related Hawking temperature for this black hole by using the WKB approach in the field equation. In addition, we examine the graph behavior of the Hawking temperature in relation to the black hole event horizon. We explore the stability analysis of this black hole by taking into account the impact of quantum gravity on Hawking temperatures. The temperature for a magnetized Ernst-like black hole rises as the correction parameter is decreased. Moreover, we analyze the thermodynamics quantities such as Hawking temperature, heat capacity and Bekenstein entropy by using the different approach. We obtain the corrected entropy to study the impact of logarithmic corrections on the different thermodynamic quantities. It is shown that these correction terms makes the system stable under thermal fluctuations.

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