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Wormhole in f(R) gravity revisited
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abstract
In this paper, exact wormhole solutions in the context of $f(R)$ theory of gravity are investigated. Since the Einstein field equations are modified in 3+1 dimensions in the $f(R)$ theory of gravity, we have studied some possible solutions with different forms of shape function and $f(R)$ function. We show that choosing $f(R)$ or metric functions arbitrarily may lead to a conflict for wormhole solutions. Some previous solutions are discussed which verify the contradiction throughout the equations. We conclude that wormhole solutions in the context of $f(R)$ gravity should be revisited.
Forward citations
Cited by 1 Pith paper
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Exploring Traversable Wormholes in $f(Q)$ gravity: Shadows and Quasinormal modes
New f(Q) wormhole solutions are presented, but the claimed quasinormal-mode and grey-body signatures rest on an incorrect V''=0 assumption and produce an undefined grey-body factor.
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