Journal
PHYSICS LETTERS B
Volume 687, Issue 2-3, Pages 243-247Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physletb.2010.03.042
Keywords
Entropic force; Dark energy; Holography
Funding
- NSFC [10535060/A050207, 10975172, 10821504]
- Ministry of Science and Technology [2007CB815401]
- NSERC
- IPP
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We investigate the implications of the entropic force formalism proposed by Verlinde. We show that an UV/IR relation proposed by Cohen et al., as well as an uncertainty principle proposed by Hogan can be derived from the entropic force formalism. We show that applying the entropic force formalism to cosmology, there is an additional term in the Friedmann equation, which can be identified as holographic dark energy. We also propose an intuitive picture of holographic screen, which can be thought of as an improvement of Susskind's holographic screen. (C) 2010 Elsevier B.V. All rights reserved.
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