Statefinder diagnosis for interacting Tsallis holographic dark energy models with<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si6.gif" overflow="scroll"><mml:mrow><mml:mi>ω</mml:mi><mml:mo>−</mml:mo><mml:msup><mml:mi>ω</mml:mi><mml:msup><mml:mrow/><mml:mo>′</mml:mo></mml:msup></mml:msup></mml:mrow></mml:math>pair

Varshney, Gunjan; Sharma, Umesh Kumar; Pradhan, Anirudh

doi:10.1016/j.newast.2019.02.004

Cited by 55 publications

(24 citation statements)

References 78 publications

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“…From these discussions, q may not be taken as a constant, but it should be time-dependent. Recently, many researchers [35]− [39] & [60]− [63] have used the time-dependent DP for solving various cosmological problems. So we consider q as a linear function of the Hubble function parameter which was earlier used by [64]− [66] in different context of cosmological models.…”

Section: Results and Disussionsmentioning

confidence: 99%

“…It is worthwhile to mention here that various researchers [35] − [39] proposed that DE may interact with BF, so they have developed both types of interacting and non-interacting models of the universe. Recently it has been discovered that allowing and interaction between DE and dark matter(DM) offers an attractive alternative to the standard model of the cosmology [40,41].…”

Section: Introductionmentioning

confidence: 99%

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An FLRW interacting dark energy model of the Universe

et al. 2020

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In this paper, we have presented an FLRW universe containing two-fluids (baryonic and dark energy), with a deceleration parameter (DP) having a transition from past decelerating to the present accelerating universe. In this model, dark energy (DE) interacts with dust to produce a new law for the density. As per our model, our universe is at present in a phantom phase after passing through a quintessence phase in the past. The physical importance of the two-fluid scenario is described in various aspects. The model is shown to satisfy current observational constraints such as recent Planck results. Various cosmological parameters relating to the history of the universe have been investigated.

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Section: Results and Disussionsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

An FLRW interacting dark energy model of the Universe

et al. 2020

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“…Taking the same interaction Q between matter and dark energy as in Eqs. ( 67) and (68), we have [25]:…”

Section: Candidates For Dark Energymentioning

confidence: 99%

Dilatonic effect in double field theory cosmology

Liu

2022

Gen Relativ Gravit

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In this article we discuss some aspects of double field theory cosmology with an emphasis on the role played by the dilaton. The cosmological solutions of double field theory equations of motion after coupling a shifted dilaton to them are investigated. The equations of motion for a constant shifted dilaton and a constant usual dilaton in an FRW universe are obtained. The solutions of these equations are obtained in both the supergravity frame and in the winding frame. We also consider three possible dark energy candidates in a 4D universe using double field theory cosmology and find some basic conditions which the three dark energy candidates should satisfy. We consider the results for a more general potential of shifted dilaton as well.

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“…Taking the same interaction Q between matter and dark energy as in eq. (6.5) and (6.6), we have: [27] ω…”

Section: Candidates For Dark Energymentioning

confidence: 99%

Dilatonic Effect in Double Field Theory Cosmology

Liu

2021

Preprint

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In this article we discuss some aspects of double field theory cosmology with an emphasis on the role played by the dilaton. The cosmological solutions of double field theory equations of motion after coupling a shifted dilaton to them are investigated. The equations of motion for a constant shifted dilaton and a constant usaul dilaton in an FRW universe are obtained. The solutions of these equations are obtained in both the supergravity frame and in the winding frame. We also consider three possible dark energy candidates in a 4D universe using double field theory cosmology and find some basic conditions which the three dark energy candidates should satisfy. We consider the results for a more general potential of shifted dilaton as well.

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Statefinder diagnosis for interacting Tsallis holographic dark energy models withω−ω′pair

Cited by 55 publications

References 78 publications

An FLRW interacting dark energy model of the Universe

An FLRW interacting dark energy model of the Universe

Dilatonic effect in double field theory cosmology

Dilatonic Effect in Double Field Theory Cosmology

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