cosmological models
Cosmological Models of the Universe
... Cosmological models are the mathematical description of the dynamics and evolution of the universe over time. They are based on direct observations and can be used to make predictions that can be confirmed ...
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Bulk Viscous Anisotropic Cosmological Models with Generalized Chaplygin Gas with Time Varying Gravitational and Cosmological Constants
... whatsoever cosmological observations available at present ...Anisotropic cosmological models with bulk viscosity, variable G and Λ have been investigated by Chakraborty and Roy ...variable ...
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Hypersurface Homogeneous Cosmological Models with Stiff-Matter in General Relativity
... Abstract : In this paper, we present Einstein’s field equations for perfect fluid within the frame work of hyper surface homogeneous space-time. Exact solutions of the field equations are obtained which represent ...
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Non-Existance Of String Cosmological Models In Presence Of Magnetic Field In Bimetric Theory
... type cosmological models in bimetric theory when the source of gravitation is governed by either perfect fluid or mesonic perfect ...type-1 cosmological model in bimetric theory of gravitation in ...
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On Exact Cosmological Models of a Scalar Field in Lyra Geometry
... As well known, Lyra’s geometry [1] can be considered as the candidate for modification of the contemporary cosmological models, the necessity of which is almost generally recognized. The great number of the ...
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Volumetric expansions of accelerating unstable cosmological models with a quadratic form of equation of state
... gravity models Nojiri and Odintsov (Nojiri and Odintsov) shows that the unification of early-time inflation and late- time ...) cosmological model Capozziello et ...type-III cosmological ...
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Cosmological Models in f(R,T) Theory of Gravitation
... viscous cosmological model with varying Λ–Term have presented by Bhaware et ...type-I cosmological model in Lyra ...barotropic cosmological model and some Bianchi type-I magnetized bulk viscous fluid ...
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Bianchi Type V Cosmological Models for Perfect Fluid with Time Varying Gravitational and Cosmological Constant
... fluid cosmological models which contain both viscosity and heat ...mological models in the presence of perfect fluid with heat ...type-V cosmological models and ob- tained solutions of ...
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Bianchi Type I Cosmological Models with Expansion Driven by Particle Creation
... inflationary cosmological models with matter ...resulting models have constant deceleration ...studied cosmological models having bulk viscosity and particle creation within the frame ...
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Totally Anisotropic Cosmological Models with Bulk Viscosity for Variable G and Λ
... II cosmological models in scalar tensor- theories of gravitation developed by Saez-Ballester [3], Lau and Prokhovnik ...II cosmological mo- del representing massive string in normal gauge for Lyra’s ...
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Cosmological Models in Lyra Geometry with Linearly Varying Deceleration Parameter
... Cosmological models with linearly varying deceleration parameter in the cosmological theory based on Lyra’s geometry have been discussed. Exact solutions have been obtained for a spatially flat FRW ...
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Integrable cosmological models with non-minimal coupling and bounce solutions
... of cosmological models, the exact solutions are always useful and allow to catch some qualitative features of dierential ...few cosmological models with minimally coupled scalar elds are ...
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Bianchi Type IX Anisotropic Dark Energy Cosmological Models with Time Dependent Deceleration Parameter
... = − = . This law is used by number of authors to study the cosmological models. Many relativists (Berman and Gomide [47], Maharaj and Naidoo [48], Johri and Desikan [49] [50], Singh and Desikan [51], ...
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Bianchi Type II, VIII & IX Perfect Fluid Cosmological Models in Brans Dicke Theory of Gravitation
... cosmological models. In particular, spatially ho- mogeneous Bianchi models in Brans-Dicke theory in the presence of perfect fluid with or with out radiation are quite important to discuss the early ...
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Bianchi Type- I Viscous Fluid Accelerating Cosmological Models with Time Dependent Q and Λ - Term
... Anisotropic cosmological models play significant role in understanding the behaviour of the universe at its early stages of ...anisotropic models, which, completely describe the anisotropic effects, ...
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Bulk Viscous Anisotropic Cosmological Models with Dynamical Cosmological Parameters G and ∧
... anisotropic models of the universe, filled with a bulk viscous cosmic fluid, in the presence of variable gravitational and cosmological ...and cosmological constants have been ...of ...
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Anisotropic Cosmological Models with MacCallum Parameter
... a cosmological model to certain epoch of the universe, one has to compare the strength of the free gravitational field with that of the matter field ...meaningful cosmological model should evolve in such a ...
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N-Dimensional Bianchi Type-I Cosmological Models in f(R,T) Theory of Gravity
... f theory of gravity using assumption of constant deceleration parameter and variation law of Hubble’s parameter which correspond to two different cosmological models with suitable choice of the function f ( ...
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LRS BIANCHI TYPE-II MASSIVE STRING COSMOLOGICAL MODELS IN GENERAL RELATIVITY
... logical models in general ...string cosmological models with magnetic ...type-III cosmological models for a cloud string with bulk ...type-I cosmological models in ...
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The big bang's 'beginning of time' and the singular FLRW cosmological models
... As it is well-known, the contemporary general relativistic model of space-time in cosmology is based on the Friedmann-Lemaître-Robertson-Walker (FLRW) metrics and the Friedmann-Lemaître equations obtained from Einstein's ...
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