Gravity-wave detectors as probes of extra dimensions
arXiv:astro-ph/0505277 · doi:10.1142/S0218271805007905 10.1007/s10714-005-0150-8
Abstract
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.
Fourth prize in the Gravity Research Foundation 2005 essay competition
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