弦云背景下正则AdS黑洞的扩展相空间热力学与焦耳-汤姆逊膨胀
Extended Phase Space Thermodynamics and Joule-Thomson Expansion of Regular AdS Black Holes in a String Cloud
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中文总结 AI 辅助
该研究探讨弦云背景下正则AdS黑洞的扩展相空间热力学，分析正则化核心与弦云密度对黑洞热稳定性的影响，明确焦耳-汤姆逊膨胀的等焓区域，为非奇异时空提供全面热力学表征。
中文摘要 AI 辅助
我们研究了弦云背景中静态球对称正则黑洞的扩展相空间热力学。通过将负宇宙常数识别为热力学压强，分析表明量子启发的正则化核心和弦云密度显著影响黑洞的热稳定性。我们特别说明与正则化核心相关的严格标度不变性，而无量纲弦云参数会大幅改变通用范德瓦尔斯临界压缩率。显著的几何不一致导致计算出的临界指数与平均场理论的临界指数一致。我们明确焦耳-汤姆逊膨胀以定义等焓加热与冷却区域，从而为该非奇异时空提供全面的热力学表征。
英文摘要
We investigate the extended phase space thermodynamics of a static, spherically symmetric regular black hole immersed in a string cloud background. By identifying the negative cosmological constant as a thermodynamic pressure, our analysis indicates that the quantum-inspired regularizing core and the string cloud density significantly affect the thermal stability of the black hole. We specifically illustrate a stringent scale invariance linked to the regularizing core, while the dimensionless string cloud parameter substantially alters the universal Van der Waals critical compressibility ratio. The significant geometric inconsistencies result in computed critical exponents that align with those of mean-field theory. We specify the Joule-Thomson expansion to define the isenthalpic heating and cooling regimes, so providing a comprehensive thermodynamic characterization of this non-singular spacetime.
