The higher dimensional gravastars
Farook Rahaman, Subenoy Chakraborty, Saibal Ray, A. A. Usmani and, Safiqul Islam
TL;DR
This paper introduces a new higher-dimensional gravastar model within Einstein gravity, featuring a three-region structure that serves as an alternative to higher-dimensional black holes, with specific equations of state in each region.
Contribution
It presents a novel D-dimensional gravastar solution that generalizes the concept beyond four dimensions, including a detailed internal structure and relation to Schwarzschild-Tangherlini black holes.
Findings
The model includes three distinct regions with specific equations of state.
The exterior matches the higher-dimensional Schwarzschild-Tangherlini black hole.
The solution extends gravastar concepts to higher dimensions.
Abstract
A new model of gravastar is obtained in -dimensional Einstein gravity. This class of solutions includes the gravastar as an alternative to D-dimensional versions of the Schwarzschild-Tangherlini black hole. The configuration of this new gravastar consists of three different regions with different equations of state: [I] Interior: 0 \leq r < r_1, \rho = -p; [II] Shell: r_1 \leq r < r_2, \rho = p; [III] Exterior: r_2 < r, \rho = p =0. The outer region of this gravastar corresponds to a higher dimensional Schwarzschild-Tangherlini black hole.
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