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  Planck-scale dual-curvature lensing and spacetime noncommutativity

Amelino-Camelia, G., Barcaroli, L., Bianco, S., & Pensato, L. (2017). Planck-scale dual-curvature lensing and spacetime noncommutativity. Advances in High Energy Physics, 2017: 6075920. doi:10.1155/2017/6075920.

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Datensatz-Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-DB2C-3 Versions-Permalink: http://hdl.handle.net/11858/00-001M-0000-002E-07F5-7
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 Urheber:
Amelino-Camelia, Giovanni, Autor
Barcaroli, Leonardo, Autor
Bianco, Stefano1, Autor
Pensato, Laura, Autor
Affiliations:
1AEI-Golm, MPI for Gravitational Physics, Max Planck Society, Golm, DE, escidoc:24008              

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Schlagwörter: General Relativity and Quantum Cosmology, gr-qc
 Zusammenfassung: It was recently realized that Planck-scale momentum-space curvature, which is expected in some approaches to the quantum-gravity problem, can produce dual-curvature lensing, a feature which mainly affects the direction of observation of particles emitted by very distant sources. Several gray areas remain in our understanding of dual-curvature lensing, including the possibility that it might be just a coordinate artifact and the possibility that it might be in some sense a by product of the better studied dual-curvature redshift. We stress that data reported by the IceCube neutrino telescope should motivate a more vigorous effort of investigation of dual-curvature lensing, and we observe that studies of the recently proposed "$\rho$-Minkowski noncommutative spacetime" could be valuable from this perspective. Through a dedicated $\rho$-Minkowski analysis, we show that dual-curvature lensing is not merely a coordinate artifact and that it can be present even in theories without dual-curvature redshift.

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 Datum: 2017-08-082017
 Publikationsstatus: Im Druck publiziert
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 Identifikatoren: arXiv: 1708.02429
URI: http://arxiv.org/abs/1708.02429
DOI: 10.1155/2017/6075920
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Titel: Advances in High Energy Physics
Genre der Quelle: Zeitschrift
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Seiten: - Band / Heft: 2017 Artikelnummer: 6075920 Start- / Endseite: - Identifikator: -