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A model of holographic dark energy | Synapse

October 20, 2004Open Access

A model of holographic dark energy

Key Points

This research aims to develop a model for holographic dark energy tied to event horizon considerations.
Proposed a model linking short distance and infrared cut-offs to holographic dark energy.
Assumed the infrared cut-off as the size of the event horizon.
Calculated the equation of state using ΩΛ=0.73.
Predicted the equation of state characterized by w=−0.90.
Indicated that inflation can resolve the cosmic coincidence problem with minimal e-foldings.

Abstract

A model for holographic dark energy is proposed, following the idea that the short distance cut-off is related to the infrared cut-off. We assume that the infrared cut-off relevant to the dark energy is the size of the event horizon. With the input ΩΛ=0.73, we predict the equation of state of the dark energy at the present time be characterized by w=−0.90. The cosmic coincidence problem can be resolved by inflation in our scenario, provided we assume the minimal number of e-foldings.

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Authors

M

Miao Li

Journals

Physics Letters B

CERN Bulletin

Actions

Institutions

Institute of Theoretical Physics

References and Citations

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Cite this study

Miao Li (Wed,) studied this question.

www.synapsesocial.com/papers/69d7414e8e958094d1b8a8e1 — DOI: https://doi.org/10.1016/j.physletb.2004.10.014