Thermodynamics and P-v criticality of Bardeen-AdS Black Hole in 4-D Einstein-Gauss-Bonnet Gravity

Singh, Dharm Veer; Siwach, Sanjay

doi:10.48550/arxiv.2003.11754

Cited by 22 publications

(24 citation statements)

References 33 publications

(42 reference statements)

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“…Interestingly, the solution of the same form has been presented in the conformal anomaly inspired gravity [39]. Along this line, the Einstein-Gauss-Bonnet gravity in the 4D spacetime has been explored extensively on various aspects, including the exact solutions [40][41][42][43][44][45][46][47][48], the quasinormal modes and stability [49][50][51][52][53][54][55][56][57][58], the observable shadows [59][60][61][62][63][64], the geodesics and gravitational lensing [65][66][67][68][69], the thermodynamics and cosmic censorship conjecture [70][71][72][73][74][75][76][77][78],…”

Section: Introductionmentioning

confidence: 89%

Holographic superconductors in 4D Einstein-Gauss-Bonnet gravity

Qiao,

OuYang,

Wang

et al. 2020

Preprint

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We investigate the neutral AdS black-hole solution in the novel four-dimensional Einstein-Gauss-Bonnet gravity proposed in [D. Glavan and C.S. Lin, Phys. Rev. Lett. 124, 081301 (2020)] and construct the gravity duals of (2 + 1)-dimensional superconductors with Gauss-Bonnet corrections in the probe limit. We find that the curvature correction has a more subtle effect on the scalar condensates in the s-wave superconductor in (2 + 1)-dimensions, which is different from the finding in the higher-dimensional superconductors that the higher curvature correction makes the scalar hair more difficult to be developed in the full parameter space. However, in the p-wave case, we observe that the higher curvature correction always makes it harder for the vector condensates to form in various dimensions. Moreover, we note that the higher curvature correction results in the larger deviation from the expected relation in the gap frequency ωg/Tc ≈ 8 in both (2 + 1)-dimensional s-wave and p-wave models.

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Section: Introductionmentioning

confidence: 89%

Holographic superconductors in 4D Einstein-Gauss-Bonnet gravity

Qiao,

OuYang,

Wang

et al. 2020

Preprint

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“…Quasinormal modes of bosonic fields [49] and fermionic fields [50] of these black hole have been investigated, and it is found that for the bosonic fields the damping rate is more sensitive than the real part of quasinormal modes by changing of the GB coupling constant α, while for the fermionic fields the damping rate usually decreases and the real part of the quasinormal modes increases with the increase of α. Konoplya and Zhidenko discussed the stability [51] of spherically symmetric black holes in the novel EGB gravity. Moreover, other topics in this new theory including the charged black holes in AdS spaces [52], the rotating black holes [53,54], radiating black holes [55], the structure of relativistic stars [56], the thermodynamics of the black holes [57][58][59][60] and the accretion disk around the black hole [61] have also been studied.…”

Section: Introductionmentioning

confidence: 99%

Strong gravitational lensing of a 4-dimensional Einstein-Gauss-Bonnet black hole in homogeneous plasma

Jin,

Gao,

Liu

2020

Preprint

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We investigate the strong gravitational lensing of spherically symmetric black holes in the novel Einstein-Gauss-Bonnet(EGB) gravity surrounded by unmagnetised plasma medium. The deflection angle in the strong deflection limit in EGB spacetime with homogeneous plasma is derived. We find that both the coupling constant α in the novel EGB gravity and the presence of plasma can affect the radius of photon sphere, strong field limit coefficient and other lensing observables significantly.While plasma has little effect on the angular image separation and the relative magnifications as α/M 2 → −8 and α/M 2 → 1, respectively.

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“…In fact, the novel 4D EGB theory has attracted extensive attention recently, ranging from applications of black hole physics and in investigating their properties [3][4][5][6][7][8], rotating black holes [9,10], black holes coupled with magnetic charge [11][12][13][14], Born-Infeld black holes [15], relativistic stars [16,17], gravitational lensing [18,19], radiation and accretion phenomena [20,21], stability issues [22][23][24], quasi-normal modes [25,26], black hole shadows [27][28][29], to thermodynamics and phase transitions [30][31][32][33][34], amongst other topics. Nevertheless, a number of questions [35][36][37][38][39][40][41][42] have been raised on the adopted approaches in [1,43], and some remedies have also been suggested to overcome these difficulties [39,[44][45]…”

Section: Introductionmentioning

confidence: 99%

Optical features of AdS black holes in the novel 4D Einstein-Gauss-Bonnet gravity coupled to nonlinear electrodynamics

Jafarzade,

Zangeneh,

Lobo

2020

Preprint

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An alternative theory of gravity that has attracted much attention recently is the novel fourdimensional Einstein-Gauss-Bonnet (4D EGB) gravity. The theory is rescaled by the Gauss-Bonnet (GB) coupling constant α → α/(D − 4) in D dimensions and redefined as four-dimensional gravity in the limit D → 4. Thus, in this manner, the GB term yields a non-trivial contribution to the gravitational dynamics. In fact, regularized black hole solutions and applications in the novel 4D EGB gravity have also been extensively explored. In this work, motivated by recent astrophysical observations, we present an in-depth study of the optical features of AdS black holes in the novel 4D EGB gravity coupled to exponential nonlinear electrodynamics (NED), such as the shadow geometrical shape, the energy emission rate, the deflection angle and quasinormal modes. Taking into account these dynamic quantities, we investigate the effects on the black hole solution by varying the parameters of the models. More specifically, we show that the variation of the GB and NED parameters, and of the cosmological constant, imprints specific signatures on the optical features of AdS black holes in the novel 4D EGB gravity coupled to nonlinear electrodynamics, thus leading to the possibility of directly testing these black hole models by using astrophysical observations.

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Thermodynamics and P-v criticality of Bardeen-AdS Black Hole in 4-D Einstein-Gauss-Bonnet Gravity

Cited by 22 publications

References 33 publications

Holographic superconductors in 4D Einstein-Gauss-Bonnet gravity

Holographic superconductors in 4D Einstein-Gauss-Bonnet gravity

Strong gravitational lensing of a 4-dimensional Einstein-Gauss-Bonnet black hole in homogeneous plasma

Optical features of AdS black holes in the novel 4D Einstein-Gauss-Bonnet gravity coupled to nonlinear electrodynamics

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