Testing f (R) theories using the first time derivative of the orbital period of the binary pulsars
作者： Mariafelicia De Laurentis , Ivan De Martino
DOI: 10.1093/MNRAS/STT216
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摘要: In this paper we use one of the Post-Keplerian parameters to obtain constraints on f(R)-theories gravity. Using Minkowskian limit, compute prediction f(R)theories first time derivative orbital period a sample binary stars, and our theoretical results perform comparison with observed one. Selecting relativistic systems estimate an analytic f(R)-gravity. We find that theory is not ruled out if consider only double neutron star systems, in case can cover existing gap between General Relativity data.
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