Cosmological Term
Inhomogeneous Spherical Symmetric Models with Quark and Strange Quark Matter and Varying Cosmological Term
... Typically, strange quark matter is modeled with an equation of state (EOS) based on the phenomenological bag model of quark matter, in which quark confinement is described by an energy term proportional to the ...
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Bianchi Type VI0 String Cosmological Model for Barotropic Fluid Distribution with Cosmological Term
... 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 ...
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Bulk Viscous Bianchi Type V Space Time with Generalized Chaplygin Gas and with Dynamical G and Λ
... 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 ...
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An analysis of Cosmological Constant of Uniform Cosmological Model using Brans- Dicke Cosmology
... isotropic cosmological models in Brans-Dicke theory have been ...the cosmological term Λ ( ) ξ to the Brans-Dicke Lagrangian using Robertson-Walker line element and energy tensor of a perfect fluid ...
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Higher Dimensional Kaluza-Klein Cosmological Model with Time Dependent G and term in General Relativity
... a cosmological term corresponds to the energy density of ...The cosmological term, which is measure of the energy of empty space, provides a repulsive force opposing the gravitational pull ...
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Einstein Rosen Mesonic Perfect Fluid Cosmological Model with Time Dependent Λ Term
... non-static cosmological model is nonsingular; contracting and deceleration parameter indicates ...pendent cosmological term Λ is decreasing function of time and it approaches to small positive value ...
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Bianchi Type- I Viscous Fluid Accelerating Cosmological Models with Time Dependent Q and Λ - Term
... constant that decreases with time less rapidly than the mass densities of matter and radiation. Time-dependent -like terms have been discussed by Dolgove [?], Banks [13], and references therein for the purpose of ...
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An Analysis of Friedmann Robertson Walker Metric with the Variation of G and $\Gamma$
... the cosmological term arises from spontaneous breaking and has suggested that the term is not a constant but a function of ...the term may be understood by incorporation with Mach’s [7] ...
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Decelerating Non Static Plane Symmetric cosmological Model with Varying
... in cosmological constant problem in ...varying cosmological term, which decays from huge to small in an expanding universe ...The cosmological constant has been one of the most mysterious ...
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On Exact Cosmological Models of a Scalar Field in Lyra Geometry
... Thus, we have studied and briefly discussed the scalar- field model with the effective cosmological term in Lyra geometry. In addition to the general results obtained in this article, we have considered one ...
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Bulk Viscous Anisotropic Cosmological Models with Dynamical Cosmological Parameters G and ∧
... anisotropic cosmological models in different context ...of cosmological models in scalar tensor theory of ...I cosmological models with viscous fluid in modified Brans-Dicke cosmology have been ...
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The Cosmological Constant: 2nd Order Quantum Mechanical Correction to the Newton Gravity
... classical cosmological constant is set to ze- ro, the model shows, that exists a residual theory-derived quantum ...the cosmological constant can be considered as a second order quantum-mechanical ...
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HAMILTONIAN UNIFICATION OF GENERAL RELATIVITY AND STANDARD MODEL
... the cosmological scale factor can be a ”degree of freedom” with free initial data fitted by observations [8, 10, 15, 28, ...the cosmological scale factor is identified with the Planck ...
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Cosmological Models of the Universe
... One of the first theories explaining the dynamics of the universe was the Steady State Theory. The theory depicted as the universe having a steady state due to constant matter creation, hence having constant density. On ...
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Prediction of Cosmological Constant Λ in Veneziano Ghost Theory of QCD
... T is the energy-momentum tensor, which describes the distribution of matter and energy. Equation (1) des- cribes a non-static universe. However, Einstein believed, at that time, that our universe should be static. In ...
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An Exact Scalar Field Inflationary Cosmological Model Which Solves Cosmological Constant Problem, Dark Matter Problem and Other Problems of Inflationary Cosmology
... An Exact Scalar Field Inflationary Cosmological Model Which Solves Cosmological Constant Problem, Dark Matter Problem and Other Problems of Inflationary Cosmology Debasis Biswas Departme[r] ...
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Information and Cosmological Objects
... in cosmological objects, including stars of the Sun type, neutron stars, white dwarfs, black holes is necessary for generation of restrictions for their formation, development and ...
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Cosmological Lithium Problems
... the cosmological lithium problems followed by a summary of our recent theoretical work on the magnitude of the effects of electron screening, the possible existence of dark matter parallel universes and the use of ...
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Classical and thermodynamical aspects of black holes with conformally coupled scalar field hair
... and cosmological horizon (S++) of the Reissner-Nordstr¨om-de Sitter black hole with the same metric but no scalar ...between cosmological horizon entropy and temperature for the MTZ black holes is readily ...
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Vol 11, No 8 (2020)
... Type-Ia supernovae (SN-Ia) observations reported by Riess et al. [1] and Perlmutter et al. [2] discovered an accelerated expansion of the universe is due to dark energy (little is known about the nature of dark energy). ...
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