2009/03/31 by Orfeu Bertolami, Miguel Carvalho Sequeira · 1 citation
Physics and Astronomy · #gr-qc
paper · pdf · doi:10.1103/physrevd.79.104010
published as Phys.Rev.D79:104010,2009 · 12 pages, 2 tables. Version to match the one to appear in Physical Review D
arxiv created 2009/05/06 · arxiv updated 2015/05/13
Recently, in the context of f(R) modified theories of gravity, a new type of model has been proposed where one directly couples the scalar curvature to matter. As any model in f(R) theory, there are certain conditions which have to be satisfy in order to ensure that the model is viable and physically meaningful. In this paper, one considers this new class of models with curvature-matter coupling and study them from the point of view of the energy conditions and of their stability under the Dolgov-Kawasaki criterion.