2 citations · 2 across the 2 of their papers we have counts for
6 papers
Radially homothetic spacetime is of Petrov-type D
Sanjay M Wagh, Keshlan S Govinder
It is well-known \cite{mtbh} that {\em all} black hole solutions of General Relativity are of Petrov-type D. It may thus be expected that the spacetime of {\em physically realizabl…
What is the spacetime of {\em physically realizable} spherical collapse?
Sanjay M. Wagh, Ravindra V. Saraykar, Keshlan S. Govinder
We argue that a particular spacetime, a spherically symmetric spacetime with hyper-surface orthogonal, radial, homothetic Killing vector, is a physically meaningful spacetime that…
Naked Singularities in Spherically Symmetric, Self-Similar Spacetimes
Sanjay M. Wagh, Keshlan S. Govinder
We show that all known naked singularities in spherically symmetric self-similar spacetimes arise as a result of singular initial matter distribution. This is a result of the pecul…
Spherical Gravitational Collapse with Heat Flux and Cosmic Censorship
S. M. Wagh, R. V. Saraykar, P. S. Muktibodh +1
In this paper, we investigate the nature of the singularity in the spherically symmetrical, shear-free, gravitational collapse of a star with heat flux using a separable metric [cq…
Conformal Killing Vectors in Spherically Symmetric, Inhomogeneous, Shear-free, Separable Metric Spacetimes
S. M. Wagh, R. V. Saraykar, P. S. Muktibodh +1
In this paper, we find all the Conformal Killing Vectors (CKVs) and their Lie Algebra for the recently reported [cqg1] spherically symmetric, shear-free separable metric spacetimes…
Characterisation of orthogonal perfect fluid cosmological spacetimes
Naresh Dadhich, L. K. Patel, K. S. Govinder +1
We consider the general orthogonal metric separable in space and time variables in comoving coordinates. We then characterise perfect fluid models admitted by such a metric. It tur…