Holographic dark energy pdf download

The holographic dark energy model comes from a theoretical attempt to apply the holographic principle to the dark energy problem and. In this letter we choose the holographic energy to describe the dark energy. New holographic dark energy in bianchi iii universe with kessence. Our new hde model would coincide with the flat acdm model in the future. Cosmic evolution of holographic dark energy in gravity hindawi.

Jaeweon lee, hyeongchan kim, jungjai lee download pdf. Holographic dark energy in order to describe the dark energy, we have to choose a candidate. Sorry, we are unable to provide the full text but you may find it at the following locations. Pdf a model of holographic dark energy researchgate.

Anisotropic renyi holographic dark energy models in general relativity. Fraction of coincidental time to the total lifetime of the universe is calculated. The dynamical evolution of holographic dark energy in the regimes. The holographic phantom energy density grows rapidly and dominates the latetime expanding phase, helping to realize a cyclic universe scenario in which the high energy regime is modi. Holographic gas as dark energy by miao li, xiaodong li, chunshan lin and yi wang download pdf 144 kb. Observational constraints on barrow holographic dark energy. The latter is a holographic dark energy model based on the recently proposed barrow entropy, which arises from the. Holographic dark energy in a cyclic universe pdf free.

Viscous cosmology in new holographic dark energy model and the. The braneworld model proposed by dvali, gabadadze and porrati leads to an accelerated universe without cosmological constant or other form of dark energy. Anisotropic renyi holographic dark energy models in. Newly proposed holographic dark energy models such as tsallis, renyi and sharmamittal are being studied in order to evaluate. Then, we describe the properties of hde model, in which the future event horizon is chosen as the characteristic. Making use of the hp and the dimensional analysis, we derive the general formula of the energy density of hde. Pdf a model for holographic dark energy is proposed, following the idea that the short distance cutoff is related to the infrared cutoff. We use observational data from supernovae snia pantheon sample, as well as from direct measurements of the hubble parameter from the cosmic chronometers cc sample, in order to extract constraints on the scenario of barrow holographic dark energy. Tsallis, renyi and sharmamittal holographic dark energy models in. A model for holographic dark energy is proposed, following the idea that the short distance cutoff is related to the infrared cutoff. Correspondence between the holographic dark energy model and phantom is.

Hence, one results with an extended holographic dark energy, which includes basic holographic dark energy as a subcase in the limit where barrow entropy becomes the bekensteinhawking one, but which in general is a novel scenario which exhibits more interesting and richer phenomenology 69. We formulate barrow holographic dark energy, by applying the usual holographic principle at a cosmological framework, but using the barrow entropy instead of the standard bekensteinhawking one. In this model, dark energy consists of two components. Holographic dark energy and fr gravity article pdf available in physica scripta 832. Pdf holographic dark energy interacting with dark matter. The former is an extended blackhole entropy that arises due to quantumgravitational effects which deform the blackhole surface by giving it an intricate, fractal form. The possible holographic origin of dark energy is investigated. Pdf the holographic principle is used to discuss the holographic dark energy model. Holographic dark matter and dark energy with second order invariants. In this work, we study a flat friedmannrobertsonwalker universe filled with dark matter and viscous new holographic dark energy.