Constraints on Dark Energy Models from Weak Gravity Conjecture

Details Constraints on Dark Energy Models from Weak Gravity Conjecture Constraints on Dark Energy Models from Weak Gravity Conjecture

2008-06-15

arxiv.org/abs/0806.2415v1

Chin.Phys.Lett.25:3086-3089,2008

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

4 two column pages, 3 figures, accepted by Chin. Phys. Lett

Scientific paper

10.1088/0256-307X/25/8/094

We study the constraints on the dark energy model with constant equation of
state parameter $w=p/\rho$ 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 $3\sigma$ confidence level. The
holographic dark energy model realized by a scalar field is in swampland.

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