Ahmet Baykal2019-08-012019-08-0120161300-0101https://app.trdizin.gov.tr/makale/TWpFek1UY3hNUT09https://hdl.handle.net/11480/2305The family of metrics corresponding to the plane-fronted gravitational waves with parallel propagation,commonly referred to as the family of pp-wave metrics, is studied in the context of various modi ed gravitational modelsin a self-contained and coherent manner by using a variant of the null coframe formulation of Newman and Penrose andthe exterior algebra of differential forms on pseudo-Riemannian manifolds.The family of metrics corresponding to the plane-fronted gravitational waves with parallel propagation,commonly referred to as the family of pp-wave metrics, is studied in the context of various modi ed gravitational modelsin a self-contained and coherent manner by using a variant of the null coframe formulation of Newman and Penrose andthe exterior algebra of differential forms on pseudo-Riemannian manifolds.eninfo:eu-repo/semantics/openAccessFizikUygulamalıArticle40277112213171