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Título: | Quantum detection of wormholes |
Autor: | Sabín, Carlos CSIC ORCID CVN | Fecha de publicación: | 6-abr-2017 | Editor: | Nature Publishing Group | Citación: | Scientific Reports 7: 716 (2017) | Resumen: | We show how to use quantum metrology to detect a wormhole. A coherent state of the electromagnetic field experiences a phase shift with a slight dependence on the throat radius of a possible distant wormhole. We show that this tiny correction is, in principle, detectable by homodyne measurements after long propagation lengths for a wide range of throat radii and distances to the wormhole, even if the detection takes place very far away from the throat, where the spacetime is very close to a flat geometry. We use realistic parameters from state-of-the-art long-baseline laser interferometry, both Earth-based and space-borne. The scheme is, in principle, robust to optical losses and initial mixedness. | Descripción: | 6 pags., 4 figs. -- Open Access funded by Creative Commons Atribution Licence 4.0 | Versión del editor: | http://doi.org/10.1038/s41598-017-00882-6 | URI: | http://hdl.handle.net/10261/159625 | DOI: | 10.1038/s41598-017-00882-6 | Identificadores: | doi: 10.1038/s41598-017-00882-6 issn: 2045-2322 |
Aparece en las colecciones: | (CFMAC-IFF) Artículos |
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