Extended holographic dark energy
TLDR
In this paper, the idea of relating the infrared and ultraviolet cutoffs is applied to the Brans-Dicke theory of gravitation and it is shown that the Hubble scale or the particle horizon as the infrared cutoff will not give accelerating expansion.Abstract:
The idea of relating the infrared and ultraviolet cutoffs is applied to the Brans-Dicke theory of gravitation. We find that the Hubble scale or the particle horizon as the infrared cutoff will not give accelerating expansion. The dynamical cosmological constant with the event horizon as the infrared cutoff is a viable dark energy model.read more
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Journal ArticleDOI
Dynamics of dark energy
TL;DR: In this article, the authors review the observational evidence for the current accelerated expansion of the universe and present a number of dark energy models in addition to the conventional cosmological constant, paying particular attention to scalar field models such as quintessence, K-essence and tachyon.
Journal ArticleDOI
Dark energy cosmology: the equivalent description via different theoretical models and cosmography tests
TL;DR: In this paper, a review of different dark energy cosmologies for different fluids is presented, and their properties are also explored, and special attention is paid to the equivalence of different models.
Journal ArticleDOI
Dark energy cosmology: the equivalent description via different theoretical models and cosmography tests
TL;DR: In this article, a review of different dark energy cosmologies is presented, including the Lambda$CDM cosmology, Little Rip and Pseudo-Rip universes, the phantom and quintessence cosmology with Type I, II, III and IV finite-time future singularities and non-singular dark energy universes.
Journal ArticleDOI
Dark Energy
TL;DR: A survey of theoretical models and some aspects of numerical studies for dark energy can be found in this paper, where the authors review the problem of dark energy, including a survey of the theoretical models.
Journal ArticleDOI
Constraints on holographic dark energy from type Ia supernova observations
Xin Zhang,Fengquan Wu +1 more
TL;DR: In this article, Li et al. used the type Ia supernovae data to constrain the holographic dark energy model proposed by Li and applied a cosmic age test to this analysis.
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