Investigating stable quark stars in Rastall-Rainbow gravity and their compatibility with gravitational wave observations

被引：8

作者：

Tangphati, Takol ^{[1
]}

Gogoi, Dhruba Jyoti ^{[2
,3
]}

Pradhan, Anirudh ^{[4
]}

Banerjee, Ayan ^{[5
]}

机构：

[1] Walailak Univ, Sch Sci, Nakhon Si Thammarat 80160, Thailand

[2] Moran Coll, Dept Phys, Moranhat 785670, Assam, India

[3] Dibrugarh Univ, Ctr Atmospher Studies, Theoret Phys Div, Dibrugarh 786004, Assam, India

[4] GLA Univ, Ctr Cosmol Astrophys & Space Sci, Mathura 281406, Uttar Pradesh, India

[5] Univ KwaZulu Natal, Sch Math Stat & Comp Sci, Astrophys & Cosmol Res Unit, Private Bag X54001, ZA-4000 Durban, South Africa

来源：

JOURNAL OF HIGH ENERGY ASTROPHYSICS | 2024年 / 42卷

关键词：

CHARGED STRANGE STAR; GENERAL-RELATIVITY; EINSTEIN; EQUATION; MASS; RADIUS;

D O I：

10.1016/j.jheap.2024.02.006

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present a stable model for quark stars in Rastall-Rainbow (R -R) gravity. The structure of this configuration is obtained by utilizing an interacting quark matter equation of state. The R -R gravity theory is developed as a combination of two distinct theories, namely, the Rastall theory and the gravity's rainbow formalism. Depending on the model parameters (��, ��,sigma, Beff), the mass -radius relations are numerically computed for modified Tolman-Oppenheimer-Volkoff (TOV) equations with proper boundary conditions. The stability of equilibrium configuration has been checked through the static stability criterion, adiabatic index and the sound velocity. Our calculations predict larger maximum masses for quark stars, and the obtained results are compatible with accepted masses and radii values, including constraints from GW190814 and GW170817 events in all the studied cases.

引用

页码：12 / 20

页数：9

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