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On the strong-CP problem and its axion solution in torsionful theories

European Physical Journal C
DOI: 10.1140/epjc/s10052-018-5972-0
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Abstract

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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Karananas, G. K. (2018, June 1). On the strong-CP problem and its axion solution in torsionful theories. European Physical Journal C. Springer New York LLC. https://doi.org/10.1140/epjc/s10052-018-5972-0

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