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Anisotropic fluid spheres satisfying the Karmarkar condition
N. Sarkar, , F. Rahaman, K.N. Singh, H.H. Shah
Published in World Scientific Publishing Co. Pte Ltd
Volume: 34
Issue: 15
In this paper, we present new physically viable interior solutions of the Einstein field equations for static and spherically symmetric anisotropic compact stars satisfying the Karmarkar condition. For presenting the exact solutions, we provide a new suitable form of one of the metric potential functions. Obtained solutions satisfy all the physically acceptable properties of realistic fluid spheres and hence solutions are well-behaved and representing matter distributions are in equilibrium state and potentially stable by satisfying the TOV equation and the condition on stability factor, adiabatic indices. We analyze the solutions for two well-known compact stars Vela X-1 (Mass = 1.77 Mo, R = 9.56 km) and Cen X-3 (Mass = 1.49 Mo, R = 9.17 km). © 2019 World Scientific Publishing Company.
About the journal
JournalModern Physics Letters A
PublisherWorld Scientific Publishing Co. Pte Ltd