Primordial Black Holes and the String Swampland
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✦ hep-th
astro-ph.COhep-ph
keywords
blackcriteriaholesprimordialswamplandassessbeenbehavior
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The "swampland conjectures" have been recently suggested as a set of criteria to assess if effective field theories (EFTs) are consistent with a quantum gravity embedding. Such criteria, which restrict the behavior of scalar fields in the theory, have strong implications for cosmology in the early universe. As we demonstrate, they will also have direct consequences for formation of primordial black holes (PBHs) and dark matter (DM).
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