[PDF] Top 20 Some Discussion of Gravitational constant and cosmological constant Using Bianchi Type-I cosmological Model

... Relativity some sort of Dark energy or any constant varies only slowly with time and space dominates the current ...investigated Bianchi Type-I models. Bianchi ... See full document

... of cosmological models with dark energy create much more interest due to the fact that our universe is undergoing an accelerated expansion which is driven by an exotic energy with large negative pressure named ... See full document

... considered cosmological models with vis- cous fluid considering variable cosmological and gravita- tional ...fluid cosmological models of various Bianchi types time-dependent G and  (see ... See full document

... fluid type by assuming an equation of state linking the pressure p and energy density in order to build an analytical methodsnear the ...a constant value of deceleration ...with constant deceleration ... See full document

... fluid cosmological model of early uni- verse have been widely discussed in the literatures ...discussed Bianchi type III string cosmological models with bulk viscosity, where the ... See full document

... Motivated by above discussion, in this paper we have obtained exact solutions of the Einstein field equations of Bianchi type V Cosmological model with linear equation of state in the sc[r] ... See full document

... Abstract This paper is devoted to studying the generalized Chaplygin gas models in Bianchi type III spacetime geometry with time varying bulk viscosity, cosmological and gravitational co[r] ... See full document

... the cosmological term arises from spontaneous synnetry breaking and suggested that the term is not a constant but a function of ...studied cosmological constant in the Bianchi ... See full document

... Many authors assume various physical or mathematical conditions to obtain exact solutions of the modified Einstein field equations in f(R) theory of gravity. Berman in [16] proposed a special law of variation for Hubble ... See full document

... f(R) cosmological modeldust matter and dark energy phases can be achieved ...Recently, Bianchi type-III cosmological model with bulk viscosity in gravity investigated by katore and ... See full document

... the Bianchi type I anisotropic models of the universe, filled with a bulk viscous cosmic fluid, in the presence of variable gravitational and cosmological ...constants. Some ... See full document

... The Bianchi cosmologies which are spatially homogeneous and anisotropic play an important in theoretical cosmology and have been much studied since ...investigated Bianchi type-V spatially ... See full document

... zero cosmological term ...small cosmological constant. An attention has been paid to cosmological models with non zero cosmological term Λ [21] [24], whose existence is favored by ... See full document

... Initially the model has a point type singularity, gravitational constant G t is decreasing and cosmological constant  is infinite at this time when time increases  decrease.The model a[r] ... See full document

... anomalous cosmological observations in cosmic microwave back- ground (CMB) at largest angles, Koivisto et ...suggested cosmological model with anisotropic and viscous dark ... See full document

... with cosmological time, while the future scaling may seem being dominated by Ω Λ , thereby no longer showing a linear ...a Cosmological Constant of any arbitrary magnitude will lead to the same ... See full document

... the gravitational constant G  ...under some circumstances, dark matter will be ...acceleration constant. Instead, it proofs that in cosmological systems with a central mass, Milgrom’s ... See full document

... the cosmological scale, agreeing with the astronomical observations on the motion of the galaxies, by assuming the minimum allowed wave length cut-off, for the QCD zero-point energy density of the vacuum, of order ... See full document

... [r] ... See full document

... (SSS) model, describing the hierarchical structure of the universe based on the Dirac large numbers hypothesis, to Einstein’s cosmological ...SSS model. Using the D ... See full document