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Open Access Article

13 pages 1711 KB

Charged Stellar Model with Generalized Chaplygin Equation of State Consistent with Observational Data

Manuel Malaver, Rajan Iyer

Universal Journal of Physics Research 2(1); 10.31586/ujpr.2023.748 - September 25, 2023

1780 views 263 downloads 1 citations

Abstract

In this paper, we found a new model for a compact star with charged anisotropic matter distribution considering the generalized Chaplygin equation of state. The Einstein-Maxwell field equations have b... Read more

Figure 1. Variation of energy density with the radial coordinate for k=0.0011 (solid line), k=0.0012 (long-dash line) and k=0.0013 (dash-dot line).

Figure 2. Variation of radial pressure with the radial coordinate for k=0.0011 (solid line), k=0.0012 (long-dash line) and k=0.0013 (dash-dot line).

Figure 3. Variation of Mass function M with the radial parameter for k=0.0011 (solid line), k=0.0012 (long-dash line) and k=0.0013 (dash-dot line).

Figure 4. Variation of charge density with the radial parameter for k=0.0011 (solid line), k=0.0012 (long-dash line) and k=0.0013 (dash-dot line).

Figure 5. Variation of electric field intensity with the radial parameter for k=0.0011 (solid line), k=0.0012 (long-dash line) and k=0.0013 (dash-dot line).

Figure 6. Variation of anisotropy with the radial parameter for k=0.0011 (solid line), k=0.0012 (long-dash line) and k=0.0013 (dash-dot line).

Figure 7. Variation of radial speed sound with a radial coordinate for k=0.0011 (solid line), k=0.0012 (long-dash line) and k=0.0013 (dash-dot line).

Figure 8. Variation of the gradient of density with a radial coordinate for k=0.0011 (solid line), k=0.0012 (long-dash line) and k=0.0013 (dash-dot line).

Figure 9. Variation of the gradient of radial pressure with a radial coordinate for k=0.0011 (solid line), k=0.0012 (long-dash line) and k=0.0013 (dash-dot line).

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Open Access Article

14 pages 1892 KB

Charged Anisotropic Stellar Models with the MIT Bag Model Equation of State

Manuel Malaver

Universal Journal of Physics Research 1(1); 10.31586/ujpr.2022.338 - June 19, 2022

3187 views 362 downloads

Abstract

In this paper we present a new classes of solutions for the Einstein-Maxwell system of field equations in a spherically symmetric spacetime under the influence of an electric field considering the MIT... Read more

Figure 1. Energy density against radial coordinate. It has been considered that n=1(solid line) ; n=2 (long-dash line).

Figure 2. Density gradient against radial coordinate. It has been considered that n=1(solid line) ; n=2 (long-dash line).

Figure 3. Radial pressure against radial coordinate. It has been considered that n=1(solid line) ; n=2 (long-dash line).

Figure 4. Radial pressure against radial coordinate. It has been considered that n=1(solid line) ; n=2 (long-dash line).

Figure 5. Mass function against radial coordinate. It has been considered that n=1(solid line) ; n=2 (long-dash line).

Figure 6. Anisotropy against radial coordinate. It has been considered that n=1(solid line) ; n=2 (long-dash line).

Figure 7. Charge density against radial coordinate. It has been considered that n=1(solid line) ; n=2 (long-dash line).

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