Cosmic evolution with early and late acceleration inspired by dual nature of the ricci scalar curvature
Feb, 200624 pages
Published in:
- Int.J.Mod.Phys.D 17 (2008) 755-784
e-Print:
- astro-ph/0602116 [astro-ph]
View in:
Citations per year
Abstract: (arXiv)
In the present paper, it is found that dark energy emerges spontaneously from the modified gravity. According to cosmological scenario, obtained here, the universe inflates for ∼10−37 sec. in the beginning and late universe accelerates after 8.58 Gyrs. During the long intermediate period, it decelerates driven by radiation and subsequently by matter. Emerged gravitational dark energy mimics quintessence and its density falls by 115 orders from its initial value 2.58×1068GeV4 to its current value 2.19×10−47GeV4 .- 98.80.Hw
- 98.80.-k
- 98.80.Cq
- expansion: acceleration
- dark energy
- gravitation: action
- derivative: high
- inflation
- field theory: scalar
- dark matter
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