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Formation and Evolution of Wakes in the Spacetime Generated by a Cosmic String in <i>f</i>(<i>R</i>) Theory of Gravity
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作者 Gabriela Coutinho de Carvalho Maria Emília Xavier Guimarães +1 位作者 Pablo Oliveira Mesquita Joaquim Lopes Neto 《Journal of High Energy Physics, Gravitation and Cosmology》 2022年第1期85-96,共12页
The formation and evolution of cosmic string wakes in the framework of a <i>f</i>(<i>R</i>) theory of gravity are investigated in this work. We consider a simple model in which baryonic matter ... The formation and evolution of cosmic string wakes in the framework of a <i>f</i>(<i>R</i>) theory of gravity are investigated in this work. We consider a simple model in which baryonic matter flows past a cosmic string. We treat this problem in the Zel’dovich approximation. We compare our results with previous results obtained in the context of General Relativity and Scalar-Theories of Gravity. 展开更多
关键词 Topological Defects Alternative theories of Gravity structure formation in the universe
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