scholarly journals Curvaton field and the intermediate inflationary universe model

2007 ◽  
Vol 76 (10) ◽  
Author(s):  
Sergio del Campo ◽  
Ramón Herrera
Keyword(s):  
Inflationary Universe ◽  
Universe Model

scholarly journals Inflationary universe model with Ω > 1 and tachyon field

2008 ◽  
Vol 134 ◽  
pp. 012010
Author(s):  
Pedro Labraña ◽  
Leonardo Balart ◽  
Sergio del Campo ◽  
Ramon Herrera
Keyword(s):  
Inflationary Universe ◽  
Universe Model ◽  
Tachyon Field

scholarly journals Tachyon-polytropic inflation on the brane

Open Physics ◽  
2013 ◽  
Vol 11 (5) ◽  
Author(s):  
Mohammad Setare ◽  
Vahid Kamali
Keyword(s):  
Equation Of State ◽  
Cosmological Parameters ◽  
High Energy ◽  
Wilkinson Microwave Anisotropy Probe ◽  
Inflationary Universe ◽  
Universe Model ◽  
Exponential Potential ◽  
Energy Limit ◽  
High Energy Limit ◽  
Slow Roll

AbstractWe consider the tachyon-brane inflationary universe model in the context of a polytropic gas equation of state. In slow-roll approximation, we discuss general conditions of this model. For exponential potential, in high-energy limit the characteristics of the model are presented. By using the seven-year Wilkinson Microwave Anisotropy Probe (WMAP7) observational data, we constrain the cosmological parameters of the model.

Stochastic stage of an inflationary universe model

1988 ◽  
Vol 205 (4) ◽  
pp. 441-446 ◽  
Author(s):  
Yasusada Nambu ◽  
Misao Sasaki
Keyword(s):  
Inflationary Universe ◽  
Universe Model

scholarly journals Tachyon-Chaplygin inflationary universe model

2008 ◽  
Vol 660 (4) ◽  
pp. 282-286 ◽  
Author(s):  
Sergio del Campo ◽  
Ramón Herrera
Keyword(s):  
Inflationary Universe ◽  
Universe Model
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