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Domain Walls in Kaluza-Klein spacetime
L. K. Patel, Naresh Dadhich, R. Tikekar
Three families of exact solutions of Einstein field equations are found. Each family contains three parameters. Two of these families represent thick domain walls in a five dimensi…
Higher Dimensional Analogue of McVittie Solution
L. K. Patel, R. Tikekar, Naresh Dadhich
A generalization of the McVittie solution, representing spacetime of a mass particle placed in (n+2) dimensional Robertson-Walker universe is reported.
Exact solutions for null fluid collapse in higher dimensions
L. K. Patel, Naresh Dadhich
A large family of inhomogeneous non-static spherically symmetric solutions of the Einstein equation for null fluid in higher dimensions has been obtained. It encompasses higher dim…
A simple shear-free non-singular spherical model with heat flux
Naresh Dadhich, L. K. Patel
We obtain an exact simple solution of the Einstein equation describing a spherically symmetric cosmological model without the big-bang or any other kind of singularity. The matter…