I. Dimitrijevic, B. Dragovich, J. Grujić, Z. Rakić
{"title":"A New Model of Nonlocal Modified Gravity","authors":"I. Dimitrijevic, B. Dragovich, J. Grujić, Z. Rakić","doi":"10.2298/PIM1308187D","DOIUrl":null,"url":null,"abstract":"We consider a new modified gravity model with nonlocal term of the form \n R−1F(□)R. This kind of nonlocality is motivated by investigation of \n applicability of a few unusual ansatze to obtain some exact cosmological \n solutions. In particular, we find attractive and useful quadratic ansatz □R = \n qR2.","PeriodicalId":416273,"journal":{"name":"Publications De L'institut Mathematique","volume":"31 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2014-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"9","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Publications De L'institut Mathematique","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.2298/PIM1308187D","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 9
Abstract
We consider a new modified gravity model with nonlocal term of the form
R−1F(□)R. This kind of nonlocality is motivated by investigation of
applicability of a few unusual ansatze to obtain some exact cosmological
solutions. In particular, we find attractive and useful quadratic ansatz □R =
qR2.
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