{"title":"线性变减速参数的天琴座几何宇宙学模型","authors":"Kalyani Desikan","doi":"10.20944/PREPRINTS201804.0380.V1","DOIUrl":null,"url":null,"abstract":"Cosmological models with linearly varying deceleration parameter in the cosmological theory based on Lyra’s geometry have been discussed. Exact solutions have been obtained for a spatially flat FRW model by considering a time dependent displacement field. We have also obtained the time periods during which the universe undergoes decelerated and accelerated expansions for a matter-dominated universe.","PeriodicalId":216707,"journal":{"name":"Prespacetime Journal","volume":"435 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2018-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Cosmological Models in Lyra Geometry with Linearly Varying Deceleration Parameter\",\"authors\":\"Kalyani Desikan\",\"doi\":\"10.20944/PREPRINTS201804.0380.V1\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Cosmological models with linearly varying deceleration parameter in the cosmological theory based on Lyra’s geometry have been discussed. Exact solutions have been obtained for a spatially flat FRW model by considering a time dependent displacement field. We have also obtained the time periods during which the universe undergoes decelerated and accelerated expansions for a matter-dominated universe.\",\"PeriodicalId\":216707,\"journal\":{\"name\":\"Prespacetime Journal\",\"volume\":\"435 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2018-04-30\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Prespacetime Journal\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.20944/PREPRINTS201804.0380.V1\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Prespacetime Journal","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.20944/PREPRINTS201804.0380.V1","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Cosmological Models in Lyra Geometry with Linearly Varying Deceleration Parameter
Cosmological models with linearly varying deceleration parameter in the cosmological theory based on Lyra’s geometry have been discussed. Exact solutions have been obtained for a spatially flat FRW model by considering a time dependent displacement field. We have also obtained the time periods during which the universe undergoes decelerated and accelerated expansions for a matter-dominated universe.
求助内容：
应助结果提醒方式：
京公网安备 11010802042870号
