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Título: | Detecting quantum gravity in the sky |
Autor: | Calcagni, Gianluca CSIC ORCID | Fecha de publicación: | 20-mar-2018 | Editor: | Sissa Medialab | Citación: | Proceedings of Science PoS(EPS-HEP2017): 033 (2017) | Resumen: | Getting signatures of quantum gravity is one of the topical lines of research in modern theoretical physics and cosmology. This short review faces this challenge under a novel perspective. Instead of separating quantum-gravity effects of a specific model between UV and IR regimes, we consider a general feature, possibly common to many frameworks, where all scales are affected and spacetime geometry is characterized by a complex critical exponent. This leaves a log-oscillating modulation pattern in the cosmic microwave background spectrum and gives a unique opportunity, illustrated with the example of a multi-fractional theory, to test quantum gravities at cosmological scales. | Descripción: | 4 pags., 1 fig. -- EPS-HEP2017. -- Open Access funded by Creative Commons Atribution Licence 4.0 | Versión del editor: | https://doi.org/10.22323/1.314.0033 | URI: | http://hdl.handle.net/10261/164384 | DOI: | 10.22323/1.314.0033 | Identificadores: | doi: 10.22323/1.314.0033 issn: 1824-8039 |
Aparece en las colecciones: | (CFMAC-IEM) Artículos |
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Detecting quantum.pdf | 115,48 kB | Adobe PDF | Visualizar/Abrir |
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