| Authors: | Dimitrijevic, Ivan Dragović, Branko Rakic, Zoran Stankovic, Jelena |
Title: | Variations of Infinite Derivative Modified Gravity | Journal: | Springer Proceedings in Mathematics and Statistics | Volume: | 263 | First page: | 91 | Last page: | 111 | Issue Date: | 1-Jan-2018 | ISBN: | 9789811327148 | ISSN: | 21941009 | DOI: | 10.1007/978-981-13-2715-5_5 | URL: | https://api.elsevier.com/content/abstract/scopus_id/85058279201 | Abstract: | © Springer Nature Singapore Pte Ltd. 2018. We consider nonlocal modified Einstein gravity without matter, where nonlocal term has the form P(R)F (□) Q(R). For this model, in this paper we give the derivation of the equations of motion in detail. This is not an easy task and presented derivation should be useful to a researcher who wants to investigate nonlocal gravity. Also, we present the second variation of the related Einstein–Hilbert modified action and basics of gravity perturbations. |
Keywords: | Black hole | Dark energy | Dark matter | Gravity action variations | Gravity equations of motion | Nonlocal gravity | Visible matter |
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