Gravitational Waves from a Black Hole Falling Radially into a Thin-Shell Traversable Wormhole
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| Main Authors: | , , , |
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| Format: | Preprint |
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2026
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| _version_ | 1866915974060441600 |
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| author | Malik, Mohammad Nosherwan Dent, James B. Gabella, William E. Kephart, Thomas W. |
| author_facet | Malik, Mohammad Nosherwan Dent, James B. Gabella, William E. Kephart, Thomas W. |
| contents | We compute the gravitational-wave signal generated by the radial infall of a stellar-mass black hole into a thin-shell Schwarzschild traversable wormhole. Modeling the black hole as a test particle, we derive analytic expressions for the emitted waveform, including contributions from the mass quadrupole and higher-order multipoles. The resulting signal exhibits a characteristic pulse-gap structure associated with repeated throat crossings. We further compute the amplitude spectral density and compare it with representative ground-based detector sensitivities, finding that such signals could lie within the sensitivity range for optimally oriented sources at distances of order ~500 Mpc. These results provide a potential observational signature of traversable wormholes in gravitational-wave data. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_01216 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Gravitational Waves from a Black Hole Falling Radially into a Thin-Shell Traversable Wormhole Malik, Mohammad Nosherwan Dent, James B. Gabella, William E. Kephart, Thomas W. General Relativity and Quantum Cosmology High Energy Physics - Phenomenology We compute the gravitational-wave signal generated by the radial infall of a stellar-mass black hole into a thin-shell Schwarzschild traversable wormhole. Modeling the black hole as a test particle, we derive analytic expressions for the emitted waveform, including contributions from the mass quadrupole and higher-order multipoles. The resulting signal exhibits a characteristic pulse-gap structure associated with repeated throat crossings. We further compute the amplitude spectral density and compare it with representative ground-based detector sensitivities, finding that such signals could lie within the sensitivity range for optimally oriented sources at distances of order ~500 Mpc. These results provide a potential observational signature of traversable wormholes in gravitational-wave data. |
| title | Gravitational Waves from a Black Hole Falling Radially into a Thin-Shell Traversable Wormhole |
| topic | General Relativity and Quantum Cosmology High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2605.01216 |