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Galaxies 2013, 1(3), 180-191; doi:10.3390/galaxies1030180
Essay

Explaining Holographic Dark Energy

Received: 24 August 2013; in revised form: 29 September 2013 / Accepted: 30 September 2013 / Published: 3 October 2013
(This article belongs to the Special Issue Particle Physics and Quantum Gravity Implications for Cosmology)
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Abstract: The possible holographic origin of dark energy is investigated. The main existing explanations, namely the UV/IR connection argument of Cohen et al., Thomas’ bulk holography argument, and Ng’s spacetime foam argument, are shown to be not wholly satisfactory. A new explanation is then proposed based on the ideas of Thomas and Ng. It is suggested that dark energy originates from the quantum fluctuations of spacetime limited by the event horizon of the universe. Several potential problems of the explanation are also discussed.
Keywords: dark energy; holographic principle; holographic dark energy; UV/IR connection; bulk holography; spacetime foam; quantum fluctuations of spacetime dark energy; holographic principle; holographic dark energy; UV/IR connection; bulk holography; spacetime foam; quantum fluctuations of spacetime
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Gao, S. Explaining Holographic Dark Energy. Galaxies 2013, 1, 180-191.

AMA Style

Gao S. Explaining Holographic Dark Energy. Galaxies. 2013; 1(3):180-191.

Chicago/Turabian Style

Gao, Shan. 2013. "Explaining Holographic Dark Energy." Galaxies 1, no. 3: 180-191.

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