A Scale at 10 MeV, Gravitational Topological Vacuum, and Large Extra Dimensions
We discuss a possible scale of gravitational origin at around 10 MeV, or 10−12 cm, which arises in the MacDowell–Mansouri formalism of gravity due to the topological Gauss–Bonnet term in the action, as pointed out by Bjorken several years ago. A length scale of the same size emerges also in the Koda...
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| Format: | Article |
| Language: | English |
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MDPI AG
2018-07-01
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| Series: | Universe |
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| Online Access: | http://www.mdpi.com/2218-1997/4/7/80 |