Epicyclic frequencies in static and spherically symmetric wormhole geometries

Abstract

The measurement of the epicyclic frequencies is a widely used astrophysical technique to infer information on a given self-gravitating system and on the related gravity background. We derive their explicit expressions in static and spherically symmetric wormhole spacetimes. We discuss how these theoretical results can be applied to: (1) detect the presence of a wormhole, distinguishing it by a black hole; (2) reconstruct wormhole solutions through the fit of the observational data, once we have them. Finally, we discuss the physical implications of our proposed epicyclic method.

arXiv comment11 pages, 6 figures, 2 tables; accepted for publication on Phys. Rev. D on 23/06/2021

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