Physical quark star model with generalized logarithmic anisotropy
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Date
2023
Journal Title
Journal ISSN
Volume Title
Publisher
World Scientific Pub Co Pte Ltd
Abstract
A new quark star model for a charged anisotropic stellar object is generated using the Einstein–Maxwell field equations. We use a metric function, linear equation of state, and a new measure of anisotropy in form of logarithmic function to formulate the model. For particular choices of parameters in the anisotropic measure, some anisotropic and isotropic models are regained as a special case. Physical analysis indicates that matter variables and gravitational potentials in the model are well behaved. The generated model satisfies the energy, regularity, causality, and stability conditions. The speed of sound is consistent with quark stars.
Description
Abstract. Full text available at https://ui.adsabs.harvard.edu/link_gateway/2023IJMPD..3250081M/doi:10.1142/S0218271823500815
Keywords
Anisotropic stellar object, Einstein-Maxwell equations, Metric function, Equation of state, Anisotropy measure, Logarithmic function, Isotropic models, Matter variables, Gravitational potentials, Energy conditions, Regularity conditions, Causality conditions, Stability conditions, Speed of sound, Quark stars, Strange Stars
Citation
Mkenyeleye, J. M., Juma, M., & Sunzu, J. M. (2023). Physical quark star model with generalized logarithmic anisotropy. International Journal of Modern Physics D, 32(11), 2350081.