Joule–Thomson expansion of a specific black hole in <i>f</i>(<i>R</i>) gravity coupled with Yang–Mills field

Guo, Sen; Han, Y. L.; Li, Guoping

doi:10.1088/1361-6382/ab77ec

Cited by 28 publications

(11 citation statements)

References 60 publications

(45 reference statements)

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“…The Joule-Thomson expansion of black holes was investigated in [37] for the first time, then this subject was comprehensively studied in the literature [38][39][40][41][42][43][44][45][46][47][48][49][50][51][52][53][54]. The inversion curves that separate heating-cooling regions in T − P plane for isenthalpic curves with different parameters are present.…”

Section: Introductionmentioning

confidence: 99%

Joule-Thomson Expansion of Born-Infeld AdS Black Holes

Bi¹,

Du²,

Tao³

et al. 2020

Preprint

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In this paper, the Joule-Thomson expansion of Born-Infeld AdS black holes is studied in the extended phase space, where the cosmological constant is identified with the pressure. The Joule-Thomson coefficient, the inversion curves and the isenthalpic curves are discussed in detail by 4-dimensional black hole. The critical point of Born-Infeld black hole is depicted with varying parament β and the charge Q. In T − P plane, the inversion temperature curves and isenthalpic curves are obtained with different parament β and the charge Q. It shows that feature of the missing negative slope is still conserved in Born-Infeld black hole. The critical temperature and the minimum of inversion temperature are compared, the ratio is asymptotically 1/2 as Q increases or β → ∞ .

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Section: Introductionmentioning

confidence: 99%

Joule-Thomson Expansion of Born-Infeld AdS Black Holes

Bi¹,

Du²,

Tao³

et al. 2020

Preprint

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“…[ 46 ] These works indicated that, different from the van der Waals‐like fluid, the black hole in the AdS space has only a minimum inversion temperature, without a maximum one. The successive studies in various extended theories of gravity further confirmed these conclusions, [ 47–84 ] and the basic reason is the slight difference between the EoS of the black hole and the van der Waals‐like fluid.…”

Section: Introductionmentioning

confidence: 75%

The Joule–Thomson and Joule–Thomson‐Like Effects of the Black Holes in a Cavity

2023

Fortschritte der Physik

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When a black hole is enclosed in a cavity in asymptotically flat space, an effective volume can be introduced, and an effective pressure can be further defined as its conjugate variable. By this means, an extended phase space is constructed in a cavity, which resembles that in the anti‐de Sitter (AdS) space in many aspects. However, there are still some notable dissimilarities simultaneously. In this work, the Joule–Thomson (JT) effect of the black holes, widely discussed in the AdS space as an isenthalpic (constant‐mass) process, is shown to only have cooling region in a cavity. On the contrary, in a constant‐thermal‐energy process (the JT‐like effect), there is only heating region in a cavity. Altogether, different from the AdS case, there is no inversion temperature or inversion curve in a cavity. Our work reveals the subtle discrepancy between the two different extended phase spaces that is sensitive to the specific boundary conditions.

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“…The BH as a thermodynamic system is similar to the classical thermodynamic systems. For the BHs in AdS spacetime, the charged AdS BHs are almost equivalent to the van der Waals (vdW) liquid-gas system [13][14][15][16][17][18]. The BH is not only regarded as a thermodynamic system but also as a strong gravitational one.…”

Section: Introductionmentioning

confidence: 99%

Shadow thermodynamics of AdS black hole in regular spacetime

Guo,

Li,

2022

Preprint

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The dependence of the black hole (BH) shadow and thermodynamics may be structured in the regular spacetime. Taking the regular Bardeen-AdS BH as an example, the relationship between the shadow radius and the event horizon radius is derived. It is found that these two radii display a positive correlation, implying that the BH temperature can be rewritten as a function of shadow radius in the regular spacetime. By analyzing the phase transition curves under the shadow context, we found that the shadow radius can replace the event horizon radius to present the BH phase transition process, and the phase transition grade can also be revealed by the shadow radius, indicating that the shadow radius may serve as a probe for the phase structure in the regular spacetime. Utilizing the temperature-shadow radius function, the thermal profile of the Bardeen-AdS BH is established. We obtained that the temperature shows an N-type change trend in P < P c situation. These results suggest that the phase transition process of the regular AdS BH can be completely presented in the thermal profile, and the relationship between the BH shadow and thermodynamics can also be established in the regular spacetime.

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Joule–Thomson expansion of a specific black hole in f(R) gravity coupled with Yang–Mills field

Cited by 28 publications

References 60 publications

Joule-Thomson Expansion of Born-Infeld AdS Black Holes

Joule-Thomson Expansion of Born-Infeld AdS Black Holes

The Joule–Thomson and Joule–Thomson‐Like Effects of the Black Holes in a Cavity

Shadow thermodynamics of AdS black hole in regular spacetime

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