{"title":"Modified gravity: the game of theories?","authors":"S. D. Odintsov","doi":"10.1007/s11182-025-03408-0","DOIUrl":null,"url":null,"abstract":"<div><p>This mini-review is devoted to the memory of Professor Vladislav Gavrilovich Bagrov, the outstanding Russian physicist, who was especially dedicated to mathematical physics. Amazingly, he heard the music of differential equations obtained from field equations. I belong to the school of theoretical physics created by Prof. Bagrov in Tomsk, where he was my first teacher in mathematical physics and PhD thesis director. In this review, I briefly discuss several popular models of modified gravity in relation with observational data. Note that reasonable modified gravities lead to extremely complicated field equations, which solution can be a real challenge for Prof. Bagrov and his pupils. This is an attempt to look over the horizon in order to understand which final theory may better describe the universe evolution history so that to be the best candidate for understanding gravitational physics and the universe history.</p></div>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"68 1","pages":"108 - 112"},"PeriodicalIF":0.4000,"publicationDate":"2025-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Russian Physics Journal","FirstCategoryId":"101","ListUrlMain":"https://link.springer.com/article/10.1007/s11182-025-03408-0","RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"PHYSICS, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
Abstract
This mini-review is devoted to the memory of Professor Vladislav Gavrilovich Bagrov, the outstanding Russian physicist, who was especially dedicated to mathematical physics. Amazingly, he heard the music of differential equations obtained from field equations. I belong to the school of theoretical physics created by Prof. Bagrov in Tomsk, where he was my first teacher in mathematical physics and PhD thesis director. In this review, I briefly discuss several popular models of modified gravity in relation with observational data. Note that reasonable modified gravities lead to extremely complicated field equations, which solution can be a real challenge for Prof. Bagrov and his pupils. This is an attempt to look over the horizon in order to understand which final theory may better describe the universe evolution history so that to be the best candidate for understanding gravitational physics and the universe history.
期刊介绍：
Russian Physics Journal covers the broad spectrum of specialized research in applied physics, with emphasis on work with practical applications in solid-state physics, optics, and magnetism. Particularly interesting results are reported in connection with: electroluminescence and crystal phospors; semiconductors; phase transformations in solids; superconductivity; properties of thin films; and magnetomechanical phenomena.
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