Isotropic and anisotropic dark energy models
B Saha - Physics of Particles and nuclei, 2014 - Springer
In this review we discuss the evolution of the universe filled with dark energy with or without
perfect fluid. In doing so we consider a number of cosmological models, namely Bianchi type …
perfect fluid. In doing so we consider a number of cosmological models, namely Bianchi type …
Spinor fields in Bianchi type-I Universe
B Saha - Physics of Particles and Nuclei, 2006 - Springer
A system of minimally coupled nonlinear spinor and scalar fields within the scope of a
Bianchi type-I (BI) cosmological model in the presence of a perfect fluid and a cosmological …
Bianchi type-I (BI) cosmological model in the presence of a perfect fluid and a cosmological …
Effects of some physical factors on the inhomogeneity in planar symmetry
M Sharif, MZUH Bhatti - Modern Physics Letters A, 2014 - World Scientific
This paper is devoted to identify some physical causes of energy density inhomogeneity and
stability of self-gravitating relativistic fluids in plane symmetry such as Weyl tensor, local …
stability of self-gravitating relativistic fluids in plane symmetry such as Weyl tensor, local …
Nonlinear spinor field in isotropic space-time and dark energy models
B Saha - The European Physical Journal Plus, 2016 - Springer
Within the scope of the isotropic FRW cosmological model the role of nonlinear spinor field
in the evolution of the Universe is studied. It is found that unlike in anisotropic cosmological …
in the evolution of the Universe is studied. It is found that unlike in anisotropic cosmological …
Spinor field nonlinearity and space-time geometry
B Saha - Physics of Particles and Nuclei, 2018 - Springer
Within the scope of Bianchi type VI, VI0, V, III, I, LRSBI and FRW cosmological models we
have studied the role of nonlinear spinor field on the evolution of the Universe and the …
have studied the role of nonlinear spinor field on the evolution of the Universe and the …
Plane symmetric inhomogeneous cosmological models with a perfect fluid in general relativity
In this paper we investigate a class of solutions of Einstein equations for the plane-
symmetric perfect fluid case with shear and vanishing acceleration. If these solutions have …
symmetric perfect fluid case with shear and vanishing acceleration. If these solutions have …
Stability analysis of expansion-free charged planar geometry
M Sharif, MZUH Bhatti - Astrophysics and Space Science, 2015 - Springer
This paper analyzes the stability of a collapsing matter distribution enclosed by plane
symmetry in the presence of electromagnetic field. The field equations, matching conditions …
symmetry in the presence of electromagnetic field. The field equations, matching conditions …
Shear-free and cavity models with plane symmetry
M Sharif, MZUH Bhatti - Astrophysics and Space Science, 2014 - Springer
This paper aims to explore anisotropic planar analytical models for dissipative as well as
non-dissipative matter distributions. We relate the Weyl tensor and physical variables of …
non-dissipative matter distributions. We relate the Weyl tensor and physical variables of …
Radiating collapsing relativistic models
M Sharif, MZUH Bhatti - Physica Scripta, 2014 - iopscience.iop.org
The objective of this paper is to explore exact solutions of the Einstein field equations for
shear-free plane symmetry with non-viscous heat-conducting isotropic fluid as a collapsing …
shear-free plane symmetry with non-viscous heat-conducting isotropic fluid as a collapsing …
Gravitational wave astronomy— astronomy of the 21st century
SV Dhurandhar - Fluid Flows To Black Holes: A Tribute to S …, 2011 - World Scientific
An enigmatic prediction of Einstein's general theory of relativity is gravitational waves. With
the observed decay in the orbit of the Hulse-Taylor binary pulsar agreeing within a fraction of …
the observed decay in the orbit of the Hulse-Taylor binary pulsar agreeing within a fraction of …