A newman penrose approach to Bertrand spacetime in general relativity

Abstract

Newman Penrose (NP) formalism is a new approach to general relativity was presented. In various geometrical groups are estimate on a chosen null tetrad basis for tetrad formalism. This approach widely used in analytical and numerical studies of Einstein's equations. The reasonable utilization of explicit complex straight emulsions of Ricci rotation coefficients which present, in the product, the spinor relative association. And we construct a null tetrad for general case and special attension for Bertrand's space-time type-1 metric for special case k=0. © Published under licence by IOP Publishing Ltd.