Abstract Details
| Name: Anirban Saha Affiliation: Alipurduar University Conference ID: ASI2025_254 Title : Relativistic strange stars in f(R,T) gravity admitting a density dependent B- parameter Authors and Co-Authors : Anirban Saha 1 and Pradip Kumar Chattopadhyay 2 Abstract Type : Poster Abstract Category : High Energy Phenomena, Fundamental Physics and Astronomy Abstract : The article elucidates a spherically symmetric and isotropic model of a strange star within the framework of the f(R,T) theory of gravity. In this formalism, the function f(R,T) is assumed to be a linear function of the Ricci scalar R and the trace of the energy-momentum tensor T i.e. f(R,T)=R+2$\beta$T, where, $\beta$ is the coupling parameter. To acquire a solution of the field equation, the element $g_{rr}$ of the metric potential has been assumed to conform to the Tolman-IV type ansatz. The MIT bag model equation of state with a density-dependent B-parameter has been employed to describe the interior matter of the strange star. With the aid of the solution, the physical properties of several potential strange star candidates have been investigated. The radii of compact objects have also been predicted from the condition that pressure vanishes at the boundary of a compact object. The maximum mass of a strange star has been attained by numerically solving the TOV equation, which is as high as 3.51 $M_{\odot}$ assuming the B-parameter as a density-dependent one. The variation of energy per baryon with energy density indicates that the compact objects may have a 3-layered structure in which the core is composed of stable strange quark matter. The outer layer is made of unstable quark matter supported by an intermediate thin layer of metastable quark matter. The validity of the stellar model has been verified through different stability criteria. |