首页|Quark stars in f(R,T)gravity:mass-to-radius profiles and observational data

Quark stars in f(R,T)gravity:mass-to-radius profiles and observational data

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This study explores the f(R,T)gravity theory,which introduces a coupling between matter and curvature,through the simplest linear functional form f(R,T)=R+2βT.We derive the modified Einstein field equations and conservation equations for this theory and then apply this framework to study the structural properties of quark stars(QSs)composed of interacting quark matter,considering perturbative QCD corrections and color su-perconductivity.By solving the modified Tolman-Oppenheimer-Volkoff equations,we investigate the mass-radius relation,stability criteria,and energy conditions of QSs.Our results indicate that the f(R,T)gravity significantly in-fluences the properties of QSs,leading to deviations from General Relativity.The analysis is consistent with recent observational data,suggesting that the modified gravity framework could provide viable models for the study of compact stars.

quark starsf(RT)gravitymass-to-radius relationTolman-Oppenheimer-Volkoff(TOV)equationsinteracting quark matter

Ayan Banerjee、İzzet Sakalli、B.Dayanandan、Anirudh Pradhan

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Astrophysics and Cosmology Research Unit,School of Mathematics,Statistics and Computer Science,University of KwaZulu-Natal,Private Bag X54001,Durban 4000,South Africa

Physics Department,Eastern Mediterranean University,Famagusta 99628,North Cyprus via Mersin 10,Turkey

Natural and Medical Sciences Research Centre,University of Nizwa,Nizwa 616,Sultanate of Oman

Centre for Cosmology,Astrophysics and Space Science,GLA University,Mathura-281 406,Uttar Pradesh,India

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2025

10.1088/1674-1137/ad86af

中国物理C(英文版)
中国物理学会　中国科学院高能物理研究所　中国科学院近代物理研究所

中国物理C(英文版)

影响因子：0.347
ISSN：1674-1137
年,卷(期)：2025.49(1)