The effect of nonlinear electrodynamics on Joule-Thomson expansion of a 5-dimensional charged AdS black hole in Einstein-Gauss-Bonnet gravity

Assrary, M.; Sadeghi, J.; Zomorrodian, Mohammad Ebrahim

doi:10.1016/j.nuclphysb.2022.115727

Cited by 6 publications

(2 citation statements)

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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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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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“…JT coefficient µ is slope of the T-P isenthalpic curves and so heating (cooling) phase is happened with negative (positive) slope µ < 0(> 0). One can follows [22][23][24][25][26][27][28][29][30][31][32][33][34][35][36][37][38] where the JT expansion are examined for various types of black holes. The layout of this work is as follows.…”

Section: Introductionmentioning

confidence: 99%

Generalized Ayón-Beato-García Black Holes and Joule-Thomson Expansion

Ghasemi¹,

Ghaffarnejad²

2022

Preprint

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In this paper, the Joule-Thomson (JT) expansion is investigated for a generalized Ayón-Beato-García (ABG) black hole which is magnetically charged and asymptotically reaches to Anti-de Sitter (AdS) spacetime. This black hole is characterized with five parameters including mass m, magnetic charge q, and three parameters related to nonlinear electrodynamic fields namely α, β, and γ. As an extension of our previous work where we studied thermodynamics and phase transition of this black hole we now investigate JT expansion of it in the present work by plotting the inversion T-P curve and isenthalpic T-P diagrams. Inversion point in T-P phase space separates cooling and heating regimes of the black hole where the black hole parameters play important roles in the position of the inversion point.

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