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Gravity-wave detectors as probes of extra dimensions

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arxiv astro-ph/0505277 v1 pith:GRKNW4XX submitted 2005-05-13 astro-ph gr-qchep-th

classification astro-phgr-qchep-th
keywords detectorsgravity-wavedimensionsextrastringtheorybeenblack
verification ladder T0 review T1 audit T2 compute T3 formal

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If string theory is correct, then our observable Universe may be a 3-dimensional "brane" embedded in a higher-dimensional spacetime. This theoretical scenario should be tested via the state-of-the-art in gravitational experiments -- the current and upcoming gravity-wave detectors. Indeed, the existence of extra dimensions leads to oscillations that leave a spectroscopic signature in the gravity-wave signal from black holes. The detectors that have been designed to confirm Einstein's prediction of gravity waves, can in principle also provide tests and constraints on string theory.

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  1. Gravitational waves from a binary source in higher dimensional spacetime with compactified extra dimensions

    gr-qc 2026-08 reject novelty 4.0 of 10

    The claimed -1PN correction to the binary equations of motion is an artifact of an invalid expansion and never becomes larger than the Newtonian term, per the paper's own Eq. (97).

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