Some Issues Concerning Holographic Dark Energy

Abstract

We study perturbation of holographic dark energy and find it be stable. We study the fate of the universe when interacting holographic dark energy is present, and discuss a simple phenomenological classification of the interacting holographic dark energy models. We also discuss the cosmic coincidence problem in the context of holographic dark energy. We find that the coincidence problem can not be completely solved by adding an interacting term. Inflation may provide a better solution of the coincidence problem.

19 pages, 6 figures. final version published in JCAP

References in corpus (8)

• New Hubble Space Telescope Discoveries of Type Ia Supernovae at z > 1: Narrowing Constraints on the Early Behavior of Dark Energy
• Constraints on Holographic Dark Energy from Latest Supernovae, Galaxy Clustering, and Cosmic Microwave Background Anisotropy Observations
• Instability of holographic dark energy models
• Age Problem in the Holographic Dark Energy Model
• Holographic dark energy in a cyclic universe
• Holographic Cosmological Constant and Dark Energy
• Insights into Dark Energy: Interplay Between Theory and Observation
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• Reconstructing Quintom from Ricci Dark Energy
• Fitting the Constitution SNIa Data with Redshift Binned Parameterization Method
• Holographic Ricci dark energy in Randall-Sundrum braneworld: Avoidance of big rip and steady state future
• Reconstructing $f(R)$ Theory from Ricci Dark Energy
• Holographic Gas as Dark Energy
• Ricci Dark Energy in braneworld models with a Gauss-Bonnet term in the bulk
• A Comment or two on Holographic Dark Energy
• Crossing the phantom divide line in the Holographic dark energy model in a closed universe
• Scalar Perturbation and Stability of Ricci Dark Energy
• Ricci Dark Energy in Brans-Dicke theory
• Cosmological Imprint of the Second Law of Thermodynamics