18–21 Nov 2025
Stonehenge River Lodge
Africa/Johannesburg timezone

Charged isotropic solutions with linear barotropic equations of state in Einstein-Gauss-Bonnet gravity

21 Nov 2025, 09:45
15m
Stonehenge River Lodge

Stonehenge River Lodge

Kopjeskraal Rd, Parys, 9585

Speaker

Siyamthanda Remember Mngadi (University of KwaZulu-Natal)

Description

In the present work we investigate new class of charged isotropic solutions with a linear barotropic equation of state (EoS) in the framework of Einstein–Gauss–Bonnet (EGB) gravity for 5 and 6 dimensional spherically symmetric static distributions. Imposing such a restriction of the EoS, one more further assumption on the metric potentials must be chosen in order to close the system. For example, the constant gravitational potential which is responsible for an isothermal distribution in Einstein gravity and as well as different forms of temporal potential are analyzed. Through graphical analysis we demonstrate that the obtained exact models satisfy the basic elementary astrophysical requirement for physical plausibility.

Author

Siyamthanda Remember Mngadi (University of KwaZulu-Natal)

Co-author

Prof. Sudan Hansraj (University of KwaZulu-Natal)

Presentation materials

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