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gr-qc2020★ 2 cited
Accelerated expansion of the universe from the perspective of inhomogeneous cosmology
I. Bormotova, E. Kopteva, M. Churilova +1
We present a special case of the Stephani solution with spherical symmetry while considering different values of spatial curvature. We investigate the dynamics of the universe evol…
gr-qc2020★ 10 cited
Accelerated Expansion of the Universe in the Model with Non-Uniform Pressure
Elena Kopteva, Irina Bormotova, Maria Churilova +1
We present the particular case of the Stephani solution for shear-free perfect fluid with uniform energy density and non-uniform pressure. Such models appeared as possible alternat…