Abstract
In this paper, we explore analytic solutions of self-gravitating celestial objects known as gravastars in energy–momentum squared gravity. A gravastar is referred as an alternative model to a black hole which is exhibited by three different regions, i.e., the intermediate shell, interior, and exterior regions. We examine these regions for a particular model of this gravity with conformal motion. The field equations are developed with perfect fluid for a spherically symmetric spacetime. The mathematical formulation for these domains is expressed by using a barotropic equation of state. We use Israel matching conditions for the smooth joining of outer and inner spacetimes. We analyze various physical features of gravastars along with the thickness of the shell, i.e., equation of state parameter, proper length, entropy and energy. These characteristics represent physically consistent non-singular solutions.
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