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Paper detail

$f({\sf R})$ Gravity Wormholes sourced by a Phantom Scalar Field

We derive an exact wormhole spacetime supported by a phantom scalar field in the context of $f({\sf R})$ gravity. Without specifying the form of the $f({\sf R})$ function, the scalar field self-interacts with a mass term potential that is derived from the scalar equation and the resulting $f({\sf R})$ model is purely supported by the scalar field and it is free of ghosts and avoids the tachyonic instability.

preprint2021arXivOpen access
Thanasis KarakasisEleftherios PapantonopoulosChristoforos Vlachos
gr-qchep-th
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Thanasis KarakasisEleftherios PapantonopoulosChristoforos Vlachos

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