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Joule-Thomson expansion of lower-dimensional black holes
Physical Review D ( IF 4.6 ) Pub Date : 2021-12-01 , DOI: 10.1103/physrevd.104.124003
Jing Liang 1, 2 , Benrong Mu 1, 2 , Peng Wang 2
Affiliation  

Herein, we extend Joule-Thomson expansion to the low-dimensional regime by considering the rotating Bañados-Teitelboim-Zanelli (BTZ) metric in the (2+1)-dimensional space-time. Specifically, the properties of three important aspects of the Joule-Thomson expansion, including the Joule-Thomson coefficient, inversion curve, and isenthalpic curve were studied. The divergence point of the Joule-Thomson coefficient and the zero point of the Hawking temperature were investigated. The inversion temperature and isenthalpic curves in the TP plane were obtained, and the cooling-heating regions were determined. Furthermore, the minimum inversion temperature was found to be zero, and the black hole becomes an extremal black hole. The ratio of the minimum inversion and critical temperatures for BTZ black holes does not exist, since the BTZ black hole does not exhibit the critical behavior in the critical pressure Pc, critical temperature Tc, and critical volume Vc.

中文翻译:

低维黑洞的焦耳-汤姆逊膨胀

在这里,我们通过考虑旋转的 Bañados-Teitelboim-Zanelli (BTZ) 度量在2+1)维时空。具体地,研究了焦耳-汤姆逊展开式的三个重要方面的性质,包括焦耳-汤姆逊系数、反演曲线和等焓曲线。研究了焦耳-汤姆逊系数的发散点和霍金温度的零点。反演温度和等焓曲线获得平面,并确定冷热区域。此外,发现最低反转温度为零,黑洞变成了极值黑洞。BTZ 黑洞的最小逆温与临界温度之比不存在,因为 BTZ 黑洞在临界压力下不表现出临界行为C, 临界温度 C, 和临界体积 C.
更新日期:2021-12-01
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