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非对易动量依赖时空几何中的重整化群改进黑洞

Renormalization group improved black holes in non-commutative momentum-dependent spacetime geometry

Gema Ilham Baskara Darman, Ar Rohim, Anto Sulaksono

arXiv 2608.19264首次发表:更新:

AI 中文总结

该研究探讨非对易动量依赖时空几何中的黑洞,通过引入量子修正的时空重整化方法,验证量子改进的雷斯纳-诺德斯特龙解与弱引力猜想的一致性,其红外行为可重现庞加莱代数的经典结果。

AI 中文摘要

我们研究动量依赖时空几何中的黑洞(BHs),并评估其量子雷斯纳-诺德斯特龙(RN)解与弱引力猜想(WGC)的一致性。通过非对易动量空间代数引入量子修正作为量子化过程,采用时空重整化方法作为动量空间与时空空间之间的映射。对于史瓦西情形,热力学分析表明,当蒸发停止(熵变为零)时存在一个热(非零温度)黑洞残余,满足黑洞热力学的第三定律互补形式。我们将该框架扩展至RN解并研究其极端极限。对于质量M远大于普朗克质量(M_P)的大质量黑洞,量子改进的RN几何在极端情形下表现出非零霍金温度,这与WGC一致,WGC规定极端态不应完全稳定或处于低温。所得的动量依赖度规和热力学性质在红外(IR)区域可重现庞加莱代数(经典模型)的结果。

英文摘要

We investigate black holes (BHs) in momentum-dependent spacetime geometry and assess its quantum Reissner-Nordström (RN) consistency with the weak gravity conjecture (WGC). Quantum corrections are introduced through the non-commutative momentum space algebra as the quantization process, and spacetime renormalization approach as a map between momentum and spacetime spaces. For the Schwarzschild case, thermodynamic analysis indicates the existence of a hot (non-zero temperature) BH remnant when evaporation stops (the entropy becomes zero), obeying a complementary third law for black hole thermodynamics. We extend this framework to the RN solution and examine its extremal limit. For large BHs with $M \gg M_P$ ($M_P$ for Planck mass), the quantum-improved RN geometry exhibits a non-zero Hawking temperature in the extremal case, consistent with the WGC, which stipulates that extremal states should not be exactly stable or cold. The resulting momentum-dependent metric and thermodynamic properties are shown to reproduce the results derived from the Poincaré algebra (classical model) in the infrared (IR) regime.

Comments13 pages, 5 figures

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