f(R,G)引力下的恒星各向异性星团

IF 1.1 4区 物理与天体物理 Q3 PHYSICS, MULTIDISCIPLINARY
M. Ajmal, M. Z. Bhatti
{"title":"f(R,G)引力下的恒星各向异性星团","authors":"M. Ajmal, M. Z. Bhatti","doi":"10.1139/cjp-2023-0102","DOIUrl":null,"url":null,"abstract":"We investigate a few models with various physical elements that could lead to the appearance of celestial bodies with different curvature systems within the background of f(R,G) gravity, where R represents Ricci scalar and G stands for the Gauss-Bonnet curvatures. After formulating f(R,G) field equations in the setting of anisotropic fluid configuration, along with specific metric coefficients, the observational data of Her X-1, 4U1820-30, VeLAX-1, SAXJ1808.4-3068, CenX-3 and PSRJ16142230 are used. Three different gravity models are used to analyze their impact on mathematical modeling. Several physical factors have been illuminated, including energy density, pressure evolutions, energy conditions, stability analysis, the measurement equation of state parameters, matter content, etc. To access the substance of our model, we observed a number of physical factors, and it was discovered that our system does not contain any singularities.","PeriodicalId":9413,"journal":{"name":"Canadian Journal of Physics","volume":"13 1","pages":""},"PeriodicalIF":1.1000,"publicationDate":"2023-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Stellar Anisotropic Cluster in f(R,G) Gravity\",\"authors\":\"M. Ajmal, M. Z. Bhatti\",\"doi\":\"10.1139/cjp-2023-0102\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"We investigate a few models with various physical elements that could lead to the appearance of celestial bodies with different curvature systems within the background of f(R,G) gravity, where R represents Ricci scalar and G stands for the Gauss-Bonnet curvatures. After formulating f(R,G) field equations in the setting of anisotropic fluid configuration, along with specific metric coefficients, the observational data of Her X-1, 4U1820-30, VeLAX-1, SAXJ1808.4-3068, CenX-3 and PSRJ16142230 are used. Three different gravity models are used to analyze their impact on mathematical modeling. Several physical factors have been illuminated, including energy density, pressure evolutions, energy conditions, stability analysis, the measurement equation of state parameters, matter content, etc. To access the substance of our model, we observed a number of physical factors, and it was discovered that our system does not contain any singularities.\",\"PeriodicalId\":9413,\"journal\":{\"name\":\"Canadian Journal of Physics\",\"volume\":\"13 1\",\"pages\":\"\"},\"PeriodicalIF\":1.1000,\"publicationDate\":\"2023-07-12\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Canadian Journal of Physics\",\"FirstCategoryId\":\"101\",\"ListUrlMain\":\"https://doi.org/10.1139/cjp-2023-0102\",\"RegionNum\":4,\"RegionCategory\":\"物理与天体物理\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"PHYSICS, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Canadian Journal of Physics","FirstCategoryId":"101","ListUrlMain":"https://doi.org/10.1139/cjp-2023-0102","RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"PHYSICS, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0

摘要

在f(R,G)引力背景下,我们研究了几种具有不同物理元素的模型,这些模型可能导致具有不同曲率系统的天体的出现,其中R代表里奇标量,G代表高斯-博内曲率。利用Her X-1、4U1820-30、VeLAX-1、SAXJ1808.4-3068、CenX-3和PSRJ16142230的观测资料,在各向异性流体构型设置下建立f(R,G)场方程,并结合具体的度量系数。用三种不同的重力模型分析了它们对数学建模的影响。阐明了几个物理因素,包括能量密度、压力演化、能量条件、稳定性分析、状态参数测量方程、物质含量等。为了获得我们模型的实质,我们观察了许多物理因素,并发现我们的系统不包含任何奇点。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Stellar Anisotropic Cluster in f(R,G) Gravity
We investigate a few models with various physical elements that could lead to the appearance of celestial bodies with different curvature systems within the background of f(R,G) gravity, where R represents Ricci scalar and G stands for the Gauss-Bonnet curvatures. After formulating f(R,G) field equations in the setting of anisotropic fluid configuration, along with specific metric coefficients, the observational data of Her X-1, 4U1820-30, VeLAX-1, SAXJ1808.4-3068, CenX-3 and PSRJ16142230 are used. Three different gravity models are used to analyze their impact on mathematical modeling. Several physical factors have been illuminated, including energy density, pressure evolutions, energy conditions, stability analysis, the measurement equation of state parameters, matter content, etc. To access the substance of our model, we observed a number of physical factors, and it was discovered that our system does not contain any singularities.
求助全文
通过发布文献求助,成功后即可免费获取论文全文。 去求助
来源期刊
Canadian Journal of Physics
Canadian Journal of Physics 物理-物理:综合
CiteScore
2.30
自引率
8.30%
发文量
65
审稿时长
1.7 months
期刊介绍: The Canadian Journal of Physics publishes research articles, rapid communications, and review articles that report significant advances in research in physics, including atomic and molecular physics; condensed matter; elementary particles and fields; nuclear physics; gases, fluid dynamics, and plasmas; electromagnetism and optics; mathematical physics; interdisciplinary, classical, and applied physics; relativity and cosmology; physics education research; statistical mechanics and thermodynamics; quantum physics and quantum computing; gravitation and string theory; biophysics; aeronomy and space physics; and astrophysics.
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
确定
请完成安全验证×
copy
已复制链接
快去分享给好友吧!
我知道了
右上角分享
点击右上角分享
0
联系我们:info@booksci.cn Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术官方微信