Pub Date : 2024-03-28DOI: 10.1142/s0219887824501858
M. Siddiqi, A. Siddiqui, K. Ahmad
{"title":"A Generalized Wintgen Inequality in Quaternion Kaehler Geometry","authors":"M. Siddiqi, A. Siddiqui, K. Ahmad","doi":"10.1142/s0219887824501858","DOIUrl":"https://doi.org/10.1142/s0219887824501858","url":null,"abstract":"","PeriodicalId":507994,"journal":{"name":"International Journal of Geometric Methods in Modern Physics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140370614","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-03-28DOI: 10.1142/s0219887824501834
A. Dixit, Sanjeev Gupta, Anirudh Pradhan
{"title":"Reconstruction of F(T,TG) Gravity Model with Scalar Fields","authors":"A. Dixit, Sanjeev Gupta, Anirudh Pradhan","doi":"10.1142/s0219887824501834","DOIUrl":"https://doi.org/10.1142/s0219887824501834","url":null,"abstract":"","PeriodicalId":507994,"journal":{"name":"International Journal of Geometric Methods in Modern Physics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140371506","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-03-28DOI: 10.1142/s0219887824501810
I. Brevik, A. Timoshkin
{"title":"Little Rip and Pseudo Rip cosmological models with coupled dark energy based on a new generalized entropy","authors":"I. Brevik, A. Timoshkin","doi":"10.1142/s0219887824501810","DOIUrl":"https://doi.org/10.1142/s0219887824501810","url":null,"abstract":"","PeriodicalId":507994,"journal":{"name":"International Journal of Geometric Methods in Modern Physics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140369989","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-03-23DOI: 10.1142/S0219887824501846
M. Koussour, N. Myrzakulov, J. Rayimbaev, Alnadhief H. A. Alfedeel, H. M. Elkhair
In this work, we investigate the bouncing behavior of the universe within the framework of $f(R,L_m)$ gravity, using a simple form of $f(R,L_m)=frac{R}{2}+L_m^gamma$ (where $gamma$ is a free model parameter) as previously studied. The model predicts a vanishing Hubble parameter in the early and late times, with the deceleration parameter approaching a specific limit at the bouncing point. The EoS parameter is observed to cross the phantom divide line ($omega=-1$) near the bouncing point, indicating a significant transition from a contracting to an expanding phase. The model satisfies the necessary energy conditions for a successful bouncing scenario, with violations indicating exotic matter near the bouncing point. Stability conditions are satisfied for certain values of $gamma$ near the bouncing point, but potential instabilities in late-time evolution require further investigation. Finally, we conclude that the $f(R,L_m)$ gravity model is promising for understanding the universe's dynamics, especially during events like the bouncing phase.
在这项工作中，我们在$f(R,L_m)$引力的框架内研究了宇宙的反弹行为，使用的是以前研究过的$f(R,L_m)=frac{R}{2}+L_m^gamma$（其中$gamma$是一个自由模型参数）的简单形式。该模型预测哈勃参数在早期和晚期都会消失，减速参数会在弹跳点接近一个特定的极限。在弹跳点附近观测到 EoS 参数越过幻分线（$omega=-1$），表明从收缩阶段向膨胀阶段的显著过渡。该模型满足成功反弹的必要能量条件，反弹点附近有异质物质。反弹点附近的$gamma$的某些值满足稳定条件，但晚期演化的潜在不稳定性需要进一步研究。最后，我们得出结论：$f(R,L_m)$ 引力模型有望用于理解宇宙动力学，尤其是在反弹阶段这样的事件中。
{"title":"Bouncing behavior in f(R, Lm) gravity: Phantom crossing and energy conditions","authors":"M. Koussour, N. Myrzakulov, J. Rayimbaev, Alnadhief H. A. Alfedeel, H. M. Elkhair","doi":"10.1142/S0219887824501846","DOIUrl":"https://doi.org/10.1142/S0219887824501846","url":null,"abstract":"In this work, we investigate the bouncing behavior of the universe within the framework of $f(R,L_m)$ gravity, using a simple form of $f(R,L_m)=frac{R}{2}+L_m^gamma$ (where $gamma$ is a free model parameter) as previously studied. The model predicts a vanishing Hubble parameter in the early and late times, with the deceleration parameter approaching a specific limit at the bouncing point. The EoS parameter is observed to cross the phantom divide line ($omega=-1$) near the bouncing point, indicating a significant transition from a contracting to an expanding phase. The model satisfies the necessary energy conditions for a successful bouncing scenario, with violations indicating exotic matter near the bouncing point. Stability conditions are satisfied for certain values of $gamma$ near the bouncing point, but potential instabilities in late-time evolution require further investigation. Finally, we conclude that the $f(R,L_m)$ gravity model is promising for understanding the universe's dynamics, especially during events like the bouncing phase.","PeriodicalId":507994,"journal":{"name":"International Journal of Geometric Methods in Modern Physics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140386987","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-03-22DOI: 10.1142/s0219887824501809
R. Ali, Tiecheng Xia, Muhammad Awais, R. Babar
{"title":"Deflection angle and shadow evolution from charged torus-like black hole under the effect of non-magnetic plasma and non-plasma medium","authors":"R. Ali, Tiecheng Xia, Muhammad Awais, R. Babar","doi":"10.1142/s0219887824501809","DOIUrl":"https://doi.org/10.1142/s0219887824501809","url":null,"abstract":"","PeriodicalId":507994,"journal":{"name":"International Journal of Geometric Methods in Modern Physics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140216199","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-03-21DOI: 10.1142/s0219887824501792
B. Das, K. B. Goswami, P. Chattopadhyay
{"title":"A comparative study on the maximum mass and radius of anisotropic compact stars from Heintzmann geometry and the TOV approach","authors":"B. Das, K. B. Goswami, P. Chattopadhyay","doi":"10.1142/s0219887824501792","DOIUrl":"https://doi.org/10.1142/s0219887824501792","url":null,"abstract":"","PeriodicalId":507994,"journal":{"name":"International Journal of Geometric Methods in Modern Physics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140223759","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-03-21DOI: 10.1142/s0219887824501780
Krishna Pada Das, U. Debnath
{"title":"Dark Energy Stars in f(R,G) Gravity","authors":"Krishna Pada Das, U. Debnath","doi":"10.1142/s0219887824501780","DOIUrl":"https://doi.org/10.1142/s0219887824501780","url":null,"abstract":"","PeriodicalId":507994,"journal":{"name":"International Journal of Geometric Methods in Modern Physics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140221432","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-03-21DOI: 10.1142/s0219887824501779
Mohd Vasiulla, Mohabbat Ali, Inan Unal
{"title":"A study of mixed super quasi-Einstein manifolds with applications to general relativity","authors":"Mohd Vasiulla, Mohabbat Ali, Inan Unal","doi":"10.1142/s0219887824501779","DOIUrl":"https://doi.org/10.1142/s0219887824501779","url":null,"abstract":"","PeriodicalId":507994,"journal":{"name":"International Journal of Geometric Methods in Modern Physics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140223092","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-03-01DOI: 10.1142/s0219887824501664
H. Chaudhary, A. Bouali, Hulya Duru, E. Gudekli, G. Mustafa
{"title":"Exploring the Deceleration Parameter in f(T) Gravity: A Comprehensive Analysis using Parametrization Techniques and Observational Data","authors":"H. Chaudhary, A. Bouali, Hulya Duru, E. Gudekli, G. Mustafa","doi":"10.1142/s0219887824501664","DOIUrl":"https://doi.org/10.1142/s0219887824501664","url":null,"abstract":"","PeriodicalId":507994,"journal":{"name":"International Journal of Geometric Methods in Modern Physics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140086004","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-03-01DOI: 10.1142/s0219887824501706
Kang-Jia Wang, Shuai Li, Feng Shi
{"title":"Generalized variational structures of the (3+1)-dimensional Zakharov-Kuznetsov-Burgers equation in dusty plasma","authors":"Kang-Jia Wang, Shuai Li, Feng Shi","doi":"10.1142/s0219887824501706","DOIUrl":"https://doi.org/10.1142/s0219887824501706","url":null,"abstract":"","PeriodicalId":507994,"journal":{"name":"International Journal of Geometric Methods in Modern Physics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140085872","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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