Publicação: Straight spinning cosmic strings in Brans-Dicke gravity
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An exact solution of straight spinning cosmic strings in Brans-Dicke theory of gravitation is presented. The possibility of the existence of closed time-like curves around these cosmic strings is analyzed. Furthermore, the stability about the formation of the topological defect discussed here is checked. It is shown that the existence of a suitable choice for the integration constants in which closed time-like curves are not allowed. We also study the (im)possibility of using the obtained spacetime in the rotational curves problem.
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Brans-Dicke gravity, Spinning cosmic strings
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Inglês
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Modern Physics Letters A, v. 33, n. 9, 2018.
