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On the strong-CP problem and its axion solution in torsionful theories
Gravitational effects may interfere with the axion solution to the strong-CP problem. We point out that gravity can potentially provide a protection mechanism against itself, in the form of an additional axion-like field associated with torsion.
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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Springer Berlin Heidelberg
2018
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6424160/ https://www.ncbi.nlm.nih.gov/pubmed/30956551 http://dx.doi.org/10.1140/epjc/s10052-018-5972-0 |