On the traversability of wormhole solutions in asymptotically safe gravity

Nilton, M.; Furtado, J.; Alencar, G.

doi:10.48550/arxiv.2202.04188

Cited by 1 publication

(2 citation statements)

References 42 publications

(59 reference statements)

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“…They found that, in this case, only the pseudospherical solutions can be traversable with non-exotic matter, satisfying the null energy condition at the throat. More recently the authors in [56], investigated the traversability conditions and the presence of exotic matter in the same lines of the Ref. [55], but considering a more general case where the state parameter is dependent of the position.…”

Section: Introductionmentioning

confidence: 99%

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Generalized Ellis-Bronnikov wormholes in asymptotically safe gravity

Nilton¹,

Furtado²,

Alencar³

et al. 2022

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In this paper we investigate the presence of exotic matter and the energy conditions of the generalized Ellis-Bronnikov solutions proposed in [61], a generalization of the Ellis-Bronnikov spacetime that has two parameters defining it (n and r t ) in the context of asymptotically safe gravity (ASG). These generalized solutions was a attempt to solve the problem of exotic matter, and we investigate if the ASG cured these problems.Further, as pointed in [62],these generalized solutions needs an extra matter beyond phantom to exist. Therefore we investigated if the ASG brings what kind of matter these extra matter can be. For this, we have choose the models that use the Ricci scalar, squared Ricci and the Kretschmann scalar to define the antiscreening function. We found that we have corrections at

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Section: Introductionmentioning

confidence: 99%

“…This shows that ASG can not always be expected to cure the problem of exotic matter in wormholes, contrary to what was found in the results for other wormholes geometries such that done in Refs. [55][56][57].…”

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confidence: 99%