Study of charged gravastar model in f(𝒬) gravity
arxiv(2024)
摘要
In recent days gravastar has been a very lucrative alternative to black
holes, as it does not suffer from the singularity problem as well and it is
based on sound physical grounds. Modified Symmetric teleparallel equivalent of
gravity also has seen quite a few successes in recent years both in cosmology
as well as in astrophysical objects like black holes and wormholes. In this
paper, we have considered the charged gravastar in f(𝒬) formulation
and have solved it fully analytically and found various physical
characteristics like energy density, entropy and EoS for the gravastar. We have
used the Israel junction condition to make some phenomenological predictions
regarding the potential of the thin shell around the gravastar. We have also
studied the deflection of the angle caused by the gravastar. Finally, we
conclude by noting how future radio telescopes could detect the gravastar
shadow and how can one distinguish it from the black hole event horizon.
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