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This work proposes a stellar model under Gauss-Bonnet $f(\mathcal{G}, T)$gravity with the conjecture theorised by Mazur and Mottola, well known as thegravitational vacuum stars (gravastars). By taking into account the$f(\mathcal{G},T)$ stellar model, the structure of the gravastar with itsexclusive division of three different regions namely, (i) the core interiorregion (ii) the junction region (shell), and (iii) the exterior region, hasbeen investigated with reference to the existence of energy density, pressure,ultra-relativistic plasma, and repulsive forces. The different physicalfeatures like, the equation of the state parameter, length of the shell,entropy, energy-thickness relation of the gravastar shell model have beendiscussed. Also, some other physically valid aspects have been presented withthe connection to non-singular and event-horizon free gravastar solutions,which in contrast to a black hole solution, might be stable without containingany information paradox.

Gravastars in $f(\mathcal{G},T)$ Gravity