Extended Chaplygin gas in Horava–Lifshitz gravity

Pourhassan, B.

doi:10.1016/j.dark.2016.06.002

Cited by 43 publications

(24 citation statements)

References 137 publications

(164 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…It may be noted that thermal fluctuations can change the behavior of thermodynamical systems [61][62][63][64][65][66][67][68][69][70][71][72][73][74], and so it is expected to have direct effect on the stability of this system. It would also be interesting to analyze this holographic formalism for other models of dark energy, such as the generalized Chaplygin gas [75][76][77][78][79][80], generalized cosmic Chaplygin gas [81][82][83], modified Chaplygin gas [84][85][86][87][88][89][90], modified cosmic Chaplygin gas [91][92][93][94], extended Chaplygin gas [95][96][97][98][99]. It is interesting to note that it is possible to use the extended Chaplygin gas models equation of state [100][101][102][103], p = − B ρ α + A 1 ρ + A 2 ρ 2 + · · · .…”

Section: Resultsmentioning

confidence: 99%

Holographic dark energy from fluid/gravity duality constraint by cosmological observations

Pourhassan¹,

Bonilla²,

Faizal³

et al. 2018

Physics of the Dark Universe

View full text Add to dashboard Cite

In this paper, we obtain a holographic model of dark energy using the fluid/gravity duality. This model will be dual to a higher dimensional Schwarzschild black hole, and we would use fluid/gravity duality to relate to the parameters of this black hole to such a cosmological model. We will also analyze the thermodynamics of such a solution, and discuss the stability model. Finally, we use cosmological data to constraint the parametric space of this dark energy model. Thus, we will use observational data to perform cosmography for this holographic model based on fluid/gravity duality.

show abstract

Section: Resultsmentioning

confidence: 99%

Holographic dark energy from fluid/gravity duality constraint by cosmological observations

Pourhassan¹,

Bonilla²,

Faizal³

et al. 2018

Physics of the Dark Universe

View full text Add to dashboard Cite

show abstract

“…Hořava-Lifshitz (HL) black holes are important kind of black holes in theoretical physics [78]. The HL gravity is also an interesting theory of quantum gravity [79,80,81,82] which considered in particle physics and cosmological literatures [83,84]. We expect that the HL black hole solutions, asymptotically, become Einstein gravity solutions.…”

Section: Introductionmentioning

confidence: 99%

PV criticality of the second order quantum corrected Hořava–Lifshitz black hole

Pourhassan

2019

Eur. Phys. J. C

Self Cite

View full text Add to dashboard Cite

In this paper, higher order quantum gravity effects on the thermodynamics of Hořava-Lifshitz black hole investigated. Both Kehagius-Sfetsos and Lu-Mei-Pop solutions of Hořava-Lifshitz black hole considered and higher order corrected thermodynamics quantities obtained. The first order correction is logarithmic and second order correction considered proportional to the inverse of entropy. These corrections are due to the thermal fluctuation and interpreted as quantum loop corrections. Effect of such quantum corrections on the stability and critical points of Horava-Lifshitz black holes studied. We find that higher order correction affects critical point and stability of Lu-Mei-Pop solution and yield to the second order phase transition for the case of Kehagius-Sfetsos solution.Due to the thermal fluctuations, the black hole entropy modified and correction terms interpreted as quantum effect, because the quantum gravity modified the manifold structure of space-time at Planck scale [15,16]. Almost all methods of quantum gravity indicated that the leading order correction is logarithmic [17,18] and it has been argued that the general structure of the correction terms is a universal. In that case, leading order quantum corrections to the geometry of large AdS black holes and their effects on the thermodynamics given by the Ref. [19]. Hence, the thermal fluctuations in a hyperscaling violation background considered by the Ref. [20]. Thermodynamics of Kerr-Newman-AdS black holes already studied by the Ref. [21]. Similar black hole (uncharged but d-dimensional) considered under the effect of the thermal fluctuations [22] and found that logarithmic correction becomes important when the size of the black hole becomes small due to the Hawking radiation [23]. Also, statistical mechanics of charged black holes considered by the Ref. [24]. Black hole thermodynamics in modified theories of gravity like f (r) [25,26,27] also studied by the Ref.[28]. It is also possible to obtain higher order corrections [29,30] and such corrected terms has the same universal shape as expected from the quantum gravitational effects [17,18,29]. Black holes in Godel universes already introduced by the Ref. [31], in that case Kerr-Godel black hole thermodynamics investigated by the Ref. [32]. Logarithmic correction to the Godel black hole has been studied by Ref. [33]. Higher order correction to the Kerr-Newman-Godel black hole recently given by the Ref. [34] and demonstrated that second order correction is proportional to the inverse of entropy. STU black holes [35] are other interesting kinds of black hole which has been studied by the Ref. [36] from statistical point of view [37]. This kind of black hole is interesting in AdS/CFT correspondence [38], for example it is possible to compute hydrodynamics and thermodynamics properties of quark-gluon plasma [39,40,41,42] in presence of quantum correction. Other properties of quark-gluon plasma like drag force [43, 44, 45, 46], jet-quenching [47, 48, 49, 50] and shear viscosity to entropy ratio [51] ma...

show abstract

“…See also [54,55] for earlier works on the extended Chaplygin EoS, where a more general expression for the equation-of-state may be found. The study of the extended Chaplygin model in Cosmology is further motivated by [56][57][58], where observational data were used to demonstrate the advantage of the model. Although it is convenient to study dark energy parameterizations, since for a given w(a), with a being the scale factor, the expansion history of the Universe is known, a more fundamental description is often needed, based on a canonical scalar field for example.…”

Section: Introductionmentioning

confidence: 99%

Lagrangian formulation for an extended cosmological equation-of-state

Panotopoulos

Lopes

Rincón

2021

Physics of the Dark Universe

View full text Add to dashboard Cite

We show that the extended cosmological equation-of-state developed starting from a Chaplygin equation-of-state, recently applied to stellar modeling, is a viable dark energy model consistent with standard scalar potentials. Moreover we find a Lagrangian formulation based on a canonical scalar field with the appropriate self-interaction potential. Finally, we fit the scalar potential obtained numerically with concrete functions well studied in the literature. Our results may be of interest to model builders and particle physicists.

show abstract

Extended Chaplygin gas in Horava–Lifshitz gravity

Cited by 43 publications

References 137 publications

Holographic dark energy from fluid/gravity duality constraint by cosmological observations

Holographic dark energy from fluid/gravity duality constraint by cosmological observations

PV criticality of the second order quantum corrected Hořava–Lifshitz black hole

Lagrangian formulation for an extended cosmological equation-of-state

Contact Info

Product

Resources

About