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Constraints on Dark Energy Models from Weak Gravity Conjecture |
| CHEN Xi-Ming, LIU Jie, GONG Yun-Gui |
| College of Mathematics and Physics, Chongqing University of Posts and Telecommunications, Chongqing 400065 |
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| Cite this article: |
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CHEN Xi-Ming, LIU Jie, GONG Yun-Gui 2008 Chin. Phys. Lett. 25 3086-3089 |
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Abstract We study the constraints on the dark energy model with constant equation of state parameter w=p/ρ and the holographic dark energy model by using the weak gravity conjecture. The combination of weak gravity conjecture and the observational data gives w<-0.7 at the 3σ confidence level. The holographic dark energy model realized by a scalar field is in swampland.
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| Keywords:
98.80.Cq
98.80.-k
11.25.-w
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Received: 04 April 2008
Published: 25 July 2008
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| PACS: |
98.80.Cq
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(Particle-theory and field-theory models of the early Universe (including cosmic pancakes, cosmic strings, chaotic phenomena, inflationary universe, etc.))
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98.80.-k
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(Cosmology)
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11.25.-w
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(Strings and branes)
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