The Reissner–Nordström black hole surrounded by quintessence and a cloud of strings: Thermodynamics and quasinormal modes

Toledo, J. M.; Bezerra, V. B.

doi:10.1142/s0218271819500238

Cited by 60 publications

(34 citation statements)

References 26 publications

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“…It is already known that a cloud of strings decreases the real and imaginary parts of the quasinormal frequencies of a black hole surrounded by quintessence, approaching the system from the astrophysical scenario [35].…”

Section: Introductionmentioning

confidence: 99%

Some remarks on the thermodynamics of charged AdS black holes with cloud of strings and quintessence

Toledo

Bezerra

2019

Eur. Phys. J. C

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In this paper we investigate the combined effects of the cloud of strings and quintessence which surround a Reissner-Nordstrom AdS black hole on its thermodynamics. We treat the cosmological constant as a thermodynamic pressure whose conjugate variable is the volume. It is shown how the cloud of strings affect the thermodynamic variables, as for example, temperature, entropy, internal energy and heat capacity. The critical expressions for temperature, pressure and specific volume are obtained and the critical exponents calculated. Concerning the heat engine, we calculate its efficiency and show how this quantity is influenced by the presence of the cloud of strings and quintessence.

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Section: Introductionmentioning

confidence: 99%

Some remarks on the thermodynamics of charged AdS black holes with cloud of strings and quintessence

Toledo

Bezerra

2019

Eur. Phys. J. C

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“…The plot of the specific heat for different values of ω f , displayed in the left panel of Fig. 3, shows the rich structure of the geometry already noticed in the literature [27][28][29][30][31]. There are positive (stable) and negative (unstable) regions alternating with each other.…”

Section: Thermodynamical Stabilitymentioning

confidence: 57%

“…This constitutes a line-element derived from the solutions studied in [21], the so-called dirty black holes. Studies on its stability [22][23][24][25][26] and some aspects of its thermodynamical behavior have been implemented in the last years [27][28][29][30][31]. However, a detailed description of the causal structure of the spacetime, the late-time behavior of the scalar QNMs, and other aspects related to corrections to the entropy and thermodynamical stability are absent in the literature.…”

Section: Introductionmentioning

confidence: 99%

Late-time tails, entropy aspects, and stability of black holes with anisotropic fluids

Cuadros-Melgar

Fontana

2020

Eur. Phys. J. C

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In this work we consider black holes surrounded by anisotropic fluids in four dimensions. We first study the causal structure of these solutions showing some similarities and differences with Reissner–Nordström–de Sitter black holes. In addition, we consider scalar perturbations on this background geometry and compute the corresponding quasinormal modes. Moreover, we discuss the late-time behavior of the perturbations finding an interesting new feature, i.e., the presence of a subdominant power-law tail term. Likewise, we compute the Bekenstein entropy bound and the first semiclassical correction to the black hole entropy using the brick wall method, showing their universality. Finally, we also discuss the thermodynamical stability of the model.

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“…Therefore, if the quintessence fluid encompasses the whole Universe, it is expected to also surround the black holes changing their spacetime geometry both near the horizon as well as at the asymptotic cosmological horizon. In this context, a new spherically symmetric quintessence black hole solutions were found in (3 + 1)-dimensions by Kiselev [7] and the solution in AdS space time is well studied in the literature from thermodynamics point of view [8][9][10][11][12][13][14]. Here, we should caution the reader about the usage of the terminology of quintessence in Kiselev's black hole metric which may be different from the notion used in cosmology modeled by a scalar field as discussed above.…”

Section: Introductionmentioning

confidence: 93%

Thermodynamic Curvature of AdS Black Holes with Dark Energy

Singh¹,

Ghosh²,

Bhamidipati³

2021

Front. Phys.

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In this paper, we study the effect of dark energy on the extended thermodynamic structure and interacting microstructures of black holes in AdS, through an analysis of thermodynamic geometry. Considering various limiting cases of the novel equation of state obtained in charged rotating black holes with quintessence, and taking enthalpy H as the key potential in the extended phase space, we scrutinize the behavior of the Ruppeiner curvature scalar R in the entropy-pressure (S,P)-plane (or equivalently in the temperature-volume (T,V)-plane). Analysis of R empirically reveals that dark energy parameterized by α, significantly alters the dominant interactions of neutral, charged and slowly rotating black hole microstructures. In the Schwarzschild-AdS case: black holes smaller than a certain size continue to have attractive interactions whereas larger black holes are completely dominated by repulsive interactions which arise to due dark energy. For charged or rotating AdS black holes with quintessence, R can change sign at multiple points depending upon the relation between α and charge q or angular momentum J. In particular, above a threshold value of α, R is never negative at all, suggesting heuristically that the repulsive interactions due to quintessence are long ranged as opposed to the previously known short ranged repulsion in charged AdS black holes. A mean field interaction potential is proposed whose extrema effectively capture the points where the curvature R changes sign.

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The Reissner–Nordström black hole surrounded by quintessence and a cloud of strings: Thermodynamics and quasinormal modes

Cited by 60 publications

References 26 publications

Some remarks on the thermodynamics of charged AdS black holes with cloud of strings and quintessence

Some remarks on the thermodynamics of charged AdS black holes with cloud of strings and quintessence

Late-time tails, entropy aspects, and stability of black holes with anisotropic fluids

Thermodynamic Curvature of AdS Black Holes with Dark Energy

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