{"title":"估算宇宙年龄的新方法","authors":"A. Khalid, A. Marrakchi","doi":"10.15866/irephy.v8i6.5013","DOIUrl":null,"url":null,"abstract":"A perfect fluid composed of matter, radiation and vacuum filling the universe can explain the accelerating expansion of the universe, and offers a new way to estimate the age of the universe. This model provides us, furthermore, with a parameter of deceleration in agreement with those calculated by means of other methods. Also, solutions to the cosmological horizon and flatness problems are included in the framework of this model.","PeriodicalId":448231,"journal":{"name":"International Review of Physics","volume":"19 31 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2014-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"A New Way to Estimate the Age of the Universe\",\"authors\":\"A. Khalid, A. Marrakchi\",\"doi\":\"10.15866/irephy.v8i6.5013\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A perfect fluid composed of matter, radiation and vacuum filling the universe can explain the accelerating expansion of the universe, and offers a new way to estimate the age of the universe. This model provides us, furthermore, with a parameter of deceleration in agreement with those calculated by means of other methods. Also, solutions to the cosmological horizon and flatness problems are included in the framework of this model.\",\"PeriodicalId\":448231,\"journal\":{\"name\":\"International Review of Physics\",\"volume\":\"19 31 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2014-12-31\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"International Review of Physics\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.15866/irephy.v8i6.5013\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"International Review of Physics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.15866/irephy.v8i6.5013","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A perfect fluid composed of matter, radiation and vacuum filling the universe can explain the accelerating expansion of the universe, and offers a new way to estimate the age of the universe. This model provides us, furthermore, with a parameter of deceleration in agreement with those calculated by means of other methods. Also, solutions to the cosmological horizon and flatness problems are included in the framework of this model.
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