[PDF] Top 20 Cosmological Model: A New Approach

... where the metric,𝑔 𝜇𝜈 is not constant, as it depends on the coordinates, 𝜇, 𝜈 = 0,1,2,3 or(t,r,𝜃, 𝜙), setting up a curved spacetime, rejected by our ―intuition‖. Using all the tensor algebra and starting from (18) is ... See full document

... ever cosmological observations available at present. A new approach is appealing; it assumes the conservation of the energy momentum tensor which consequently gives G and Λ as coupled fields similar ... See full document

... in cosmological constant approach (Sahani and Starobinsky 2000) but in this approach it is considered that vacuum energy is related to the radiation energy through Einstein’s mass- energy relation ... See full document

... singular model of universe, the primitive atom, which, unstable, exists on- ly for a moment, breaks up into pieces that break in turn and give rise to all the present components of the ...evolving model ... See full document

... are new light degrees of freedom, their temperature is naturally lower than that of the SM plasma, thereby avoid- ing constraints from Big-Bang Nucleosynthesis ... See full document

... spherical approach, the ellipsoid model can be used to study the influence of the external tidal shear on the triaxial collapse of overdense ...the model can examine the statistical properties of ... See full document

... a new approach to dispersion models of radioactive pollutants, that is, pollutants that undergo chemical ...The model uses the two- dimensional advection-diffusion-reaction equation to represent the ... 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 type-1 modified Bran’s-Dicke ... See full document

... Translation is an incredibly wide notion which can be understood in different ways. For instance, one may talk of translation as a process or a product, and identify such sub-types as literary translation, technical ... See full document

... an approach appears to be supported by obser- ...the approach of Dalla Vecchia & Schaye (2008), which uses constant local ...wind model, where the wind velocity is de- rived from the escape ... See full document

... a new card sorting method that provides better results and overcomes the previously discussed weaknesses of Open card ...a new methodology similar to the Open card sort that is based on a forecasting ... See full document

... Let, X be a vector field on M. The derivative operator  X on M which gives the rate of change of vectors or tensor fields along the given vector field X at p for all points of M. If Y is another vector field at p then ... See full document

... this approach, we can see that the cosmological constant must be included in Einstein’s equation because it represents non-baryonic energy in the universe, but the sign for the term 𝜌 𝛬𝑒 𝑔 𝜇𝜈 on the ... See full document

... Graph theoretical ideas are broadly used to study and version various applications, in different regions. They include, examine of molecules, creation of bonds in chemistry and take a look at of atoms. Similarly, graph ... See full document

... the cosmological spherical shell model, within FRW formalism and will com- pare it with the standard ΛCDM ...our new topological model satisfies cosmological principles and is ... See full document

... Recent observations by S.Perlmutter [25] gives that the present universe is accelerating phase and deceleration parameter lies somewhere in the range 0 < q ≤ 1 . It also follows that our model of the universe ... See full document

... A cosmological constant is a candi- date for the dark ...conservative approach to explain the acceleration of the Universe without the introduction of exotic fields might be to utilize a backreaction effect ... See full document

... a new level of application is developed to detect the ...a new technique is ...multi-level approach is used to handle the class imbalance issue in passenger ...“Multi Model Batch” multi – ... See full document

... Standard Model of particle physics and its extensions, opening up the possibility to explain the nature of DE from first ...recent cosmological observations on a scalar field model with inverse power ... See full document

... To sum up, by studying the properties of the EMT and EOS of various physical fields, and qualitatively analyzing the dynamical behavior of the general Friedmann equation and logical relations between parameters, we get ... See full document