2021
DOI: 10.48550/arxiv.2101.04960
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Testing wormhole solutions in extended gravity through the Poynting-Robertson effect

Vittorio De Falco,
Emmanuele Battista,
Salvatore Capozziello
et al.

Abstract: We develop a model-independent procedure to single out static and spherically symmetric wormhole solutions based on the general relativistic Poynting-Robertson effect and the extension of the ray-tracing formalism in generic static and spherically symmetric wormhole metrics. Simulating the flux emitted by the Poynting-Robertson critical hypersurface (i.e., a stable structure where gravitational and radiation forces attain equilibrium) or also from another X-ray source in these general geometrical environments … Show more

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Cited by 2 publications
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“…As a result, uncertainties in the measurement of shadow parameters will allow us to impose some novel constraints on the free parameters of alternative gravities that are consistent with observation. So, it is expected that by this way one can refine the road of metric theories of gravity [47][48][49][50]. However, it is also notable that newly in [51] the authors have warned that for probing the physics beyond GTR (and more generally, for extended theories of gravity) by SMBH shadow, it is required that they have dimensionless coupling constants.…”
Section: Introductionmentioning
confidence: 99%
“…As a result, uncertainties in the measurement of shadow parameters will allow us to impose some novel constraints on the free parameters of alternative gravities that are consistent with observation. So, it is expected that by this way one can refine the road of metric theories of gravity [47][48][49][50]. However, it is also notable that newly in [51] the authors have warned that for probing the physics beyond GTR (and more generally, for extended theories of gravity) by SMBH shadow, it is required that they have dimensionless coupling constants.…”
Section: Introductionmentioning
confidence: 99%
“…As a result, uncertainties in the measurement of shadow parameters will enable us to impose some novel constraints on the free parameters of alternative gravity models so that still results in outputs consistent with observation. So, it is expected that by this way one can refine the road of metric theories of gravity [47][48][49][50]. However, it is also notable that newly in [51] have warned that the probe of beyond GTR by SMBH shadow for those extended gravity theories is efficient that enjoy dimensionless coupling constants.…”
Section: Introductionmentioning
confidence: 99%