Department of Mathematics, Sardar Patel University, Vallabh Vidyanagar, India
A.H. Hasmani, P.I. Andharia
In this paper: Newman-Penrose (NP)formalism [5, 13], in general relativity is a tetrad formalism in which various geometrical quantities are projected on a chosen null tetrad basis. Spin coefficients in NP formalism...
A.H. Hasmani, M.T. Joshi
In this paper: In Newman-Penrose formalism, the ten independent components of the Weyl tensor can be expressed in terms of five complex scalars Ψundefined (r = 0, 1, 2, 3, 4). By a suitable choice of the tetrad, we...
V.G. Khambholja, A.H. Hasmani
In this paper: Rosa et al [5], Khambholja [4] and also Hasmani and Khambholja [2] have discussed nature of metric for the interior black hole solution in 4D using the frame work of general relativity. It is non-stat...
A.H. Hasmani, V.G. Khambholja
In this paper: The result of gravitational collapse of a compact body is believed to be a singularity hidden beyond its Schwarzschild radius known as a black hole. In the interior black hole region, a remarkable cha...
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