I. Dimitrijevic, B. Dragovich, J. Grujić, Z. Rakić
{"title":"一个新的非局部修正引力模型","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":"{\"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}","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}
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.