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https://research.matf.bg.ac.rs/handle/123456789/368| Title: | Variations of Infinite Derivative Modified Gravity | Authors: | Dimitrijevic, Ivan Dragovich, Branko Rakić, Zoran Stankovic, Jelena |
Affiliations: | Geometry | Keywords: | Black hole;Dark energy;Dark matter;Gravity action variations;Gravity equations of motion;Nonlocal gravity;Visible matter | Issue Date: | 1-Jan-2018 | Related Publication(s): | Quantum Theory And Symmetries LT-XII/QTS-X 2017: Quantum Theory and Symmetries with Lie Theory and Its Applications in Physics, volume 1 | Journal: | Springer Proceedings in Mathematics and Statistics | Abstract: | 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. |
URI: | https://research.matf.bg.ac.rs/handle/123456789/368 | ISBN: | 9789811327148 | ISSN: | 21941009 | DOI: | 10.1007/978-981-13-2715-5_5 |
| Appears in Collections: | Research outputs |
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