Journal
PHYSICAL REVIEW D
Volume 98, Issue 6, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.98.063526
Keywords
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Funding
- National Natural Science Foundation of China (NNSFC) [11705133]
- Fundamental Research Funds for the Central Universities [JBF180501]
- National Natural Science Foundation of China [11575272, 11690021, 11335012]
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We propose a double inflection points inflationary model in supergravity with a single chiral superfield. Such a model allows for the generation of primordial black holes (PBHs) at small scales, which can account for a significant fraction of dark matter. Moreover, in vacuum it is possible to give a small and adjustable supersymmetry breaking with a tiny cosmological constant.
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