Observing a wormhole

Abstract

If a traversable wormhole smoothly connects two different spacetimes, then the flux cannot be separately conserved in any of these spaces individually. Then objects propagating in a vicinity of a wormhole in one space must feel influence of objects propagating in the other space. We show this in the cases of the scalar, electromagnetic, and gravitational field. The case of gravity is perhaps the most interesting. Namely, by studying the orbits of stars around the black hole at the center of our galaxy, we could soon tell if this black hole harbors a traversable wormhole. In particular, with a near future acceleration precision of $10^{-6}m/s^2$, a few solar masses star orbiting around Sgr A* on the other side of the wormhole at the distance of a few gravitational radii would leave detectable imprint on the orbit of the S2 star on our side. Alternatively, one can expect the same effect in black hole binary systems, or a black hole - star binary systems. Another result that we find very interesting is that gravitational perturbations can be felt even on the other side of the non-traversable wormhole.

5 figures, accepted by PRD

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Cited by in corpus (81)

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• No-Hair Theorem in the Wake of Event Horizon Telescope
• Astrophysical Wormholes
• Reflection-asymmetric wormholes and their double shadows
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• Observational signatures of wormholes with thin accretion disks
• Thin accretion disk in the Simpson-Visser black-bounce and wormhole spacetimes
• A sensitive search for wormholes
• Gravitational deflection of relativistic massive particles by wormholes
• Light Ring behind Wormhole Throat: Geodesics, Images and Shadows
• Echoes from phantom wormholes
• Quasi-periodic oscillations from the accretion disk around rotating traversable wormholes
• Traversable wormholes in $f(R)$-massive gravity
• Silhouettes of invisible black holes
• Unveiling the nature of SgrA* with the geodesic motion of S-stars
• Linearization stability of reflection-asymmetric thin-shell wormholes with double shadows
• How to form a wormhole
• Traversable wormholes in beyond Horndeski theories
• Traversable Wormhole in Einstein 3-Form Theory With Self-Interacting Potential
• The Galactic Center as a laboratory for theories of gravity and dark matter
• Constraining Wormhole Geometries using the Orbit of S2 Star and the Event Horizon Telescope
• Wormhole on the Brane with Ordinary Matter: The Broader View
• Correspondence between quasinormal modes and the shadow radius in a wormhole spacetime
• Echoes from Hairy Black Holes
• Epicyclic frequencies in the equatorial plane around stationary and axially symmetric wormhole geometries
• Testing ER=EPR
• Particle motion around a static axially symmetric wormhole
• Asymmetric wormholes in Palatini $f(\mathcal{R})$ gravity: Energy conditions, absorption and quasibound states
• Traversable Wormholes in Minimally Geometrical Deformed Trace-Free Gravity using Gravitational Decoupling
• Unimodular Gravity Traversable Wormholes
• Search for traversable wormholes in active galactic nuclei using X-ray data
• Gravitoelectromagnetic coupled perturbations and quasinormal modes of a charged black hole with scalar hair
• Complexity factor Parametrization for Traversable Wormholes
• Microlensing effects of wormholes associated to blackhole spacetimes
• Topologically Protected Wormholes in Type-III Weyl Semimetal Co${}_3$In${}_2$X${}_2$ (X = S, Se)
• Lorentzian wormhole in the framework of loop quantum cosmology
• Null and Timelike Geodesics Near the Throats of Phantom Scalar Field Wormholes
• Throat effects on strong gravitational lensing in Kerr-like wormholes
• Novel triple barrier potential for axial gravitational perturbations of a family of Lorentzian wormholes
• Noncommutative wormhole in de Rham-Gabadadze-Tolley like massive gravity
• Lorentzian wormholes in an emergent universe
• Transmission of low-energy scalar waves through a traversable wormhole
• Microlensing effect of charged spherically symmetric wormhole
• Rotating traversable wormhole geometries in the presence of three-form fields
• Searching for wormholes with gravitational wave scattering
• Linearized Stability of Bardeen de-Sitter Thin-Shell Wormholes
• Method of distinguishing between black holes and wormholes
• Echoes from bounded universes
• Some optical properties of rotating wormhole in Bopp-Podolsky electrodynamics
• Echoes and quasi-normal modes of perturbations around Schwarzchild traversable wormholes
• The Sound of Clearing the Throat: Gravitational Waves from a Black Hole Orbiting in a Wormhole Geometry
• Response to the Comment on "Observing a wormhole"
• New rotating Lorentzian wormhole spacetime
• Quasinormal modes of a charged black hole with scalar hair
• Wormholes from beyond
• Comment on "Observing a wormhole"
• Traversable wormhole for string, but not for particle
• Search for Wormhole Candidates: Accreting Wormholes with Monopole Magnetic Fields
• Magnetic field geometry in rotating wormhole spacetimes
• Emergence of ER=EPR from non-local gravitational energy
• Are Padé approximants suitable for modelling shape functions of traversable wormholes?
• Tidal Disruption of Stars by Supermassive Black Holes and Naked Singularities with Scalar Hair
• Dynamical Wormhole Solutions in $f(R,T)$ Gravity
• High-Temperature Modifications of Charged Casimir Wormholes
• The neutrino flavor oscillations in the static and spherically symmetric black-hole-like wormholes
• Dynamics of Dissipative Gravitational Collapse in the Morris-Thorne Wormhole Metric: One Scenario -- Several Outcomes
• Traversable Lorentzian wormhole on the Shtanov-Sahni braneworld with matter obeying the energy conditions
• Testing ER = EPR with Hydrogen
• The eye of the storm: A regular Kerr black hole
• Visible shapes of black holes M87* and SgrA*
• Analytical solution of traversable wormholes in the presence of positive cosmological constant
• Wormhole Solutions and Pre-inflationary Epoch in $F(R,T)$ Gravity with Axion Fields
• Sagittarius A* near-infrared flares polarization as a probe of space-time I: Non-rotating exotic compact objects
• Josephson junction formed in the wormhole space time from the analysis for the critical temperature of Bose-Einstein condensate