Baykal, Ahmet2019-08-012019-08-0120161300-01011303-6122https://dx.doi.org/10.3906/fiz-1508-16https://hdl.handle.net/11480/3795The 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 modified gravitational models in a self-contained and coherent manner by using a variant of the null coframe formulation of Newman and Penrose and the exterior algebra of differential forms on pseudo-Riemannian manifolds.eninfo:eu-repo/semantics/openAccessClassical general relativityEinstein-Maxwell spacetimesspacetimes with fluidsradiation or classical fieldswave propagation and interactionsmodified theories of gravityChern-Simons gauge theoryexact solutionsReview Article40277+10.3906/fiz-1508-162-s2.0-84966552375Q3WOS:000375154600001N/A