Exact Bianchi type-II vacuum-cosmological model in a scalar-tensor theory of gravitation

1990 ◽  
Vol 166 (1) ◽  
pp. 45-48 ◽  
Author(s):  
R. Venkateswarlu ◽  
D. R. K. Reddy
Keyword(s):  
Cosmological Model ◽  
Bianchi Type ◽  
Type Ii ◽  
Scalar Tensor Theory ◽  
Tensor Theory ◽  
Theory Of Gravitation

scholarly journals Bianchi Types II, VIII, and IX String Cosmological Models in Brans-Dicke Theory of Gravitation

2012 ◽  
Vol 2012 ◽  
pp. 1-8 ◽  
Author(s):  
V. U. M. Rao ◽  
M. Vijaya Santhi
Keyword(s):  
Energy Density ◽  
Cosmological Model ◽  
Bianchi Type ◽  
Cosmological Models ◽  
Scalar Tensor Theory ◽  
Tensor Theory ◽  
Geometrical Features ◽  
Viii And Ix ◽  
Theory Of Gravitation ◽  
Bianchi Types

Bianchi types II, VIII, and IX string cosmological models are obtained and presented in a scalar-tensor theory of gravitation proposed by Brans and Dicke (1961) for λ+ρ=0. We also established the existence of only Bianchi type IX vacuum cosmological model for λ=ρ, where λ and ρ are tension density and energy density of strings, respectively. Some physical and geometrical features of the models are also discussed.

LRS Bianchi type-II dark energy model in a scalar–tensor theory of gravitation

2011 ◽  
Vol 338 (2) ◽  
pp. 333-336 ◽  
Author(s):  
R. L. Naidu ◽  
B. Satyanarayana ◽  
D. R. K. Reddy
Keyword(s):  
Dark Energy ◽  
Dark Energy Model ◽  
Bianchi Type ◽  
Energy Model ◽  
Type Ii ◽  
Scalar Tensor Theory ◽  
Tensor Theory ◽  
Theory Of Gravitation
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