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The Dark Universe after Reheating in String Inflation

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arxiv 2208.01017 v1 pith:6KXFCBFQ submitted 2022-08-01 hep-th hep-ph

The Dark Universe after Reheating in String Inflation

classification hep-th hep-ph
keywords darkinflationreheatingmatterradiationstringbranesbreaking
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We study the production of dark matter and dark radiation after reheating in string inflation models where the Calabi-Yau has a fibred structure and the visible sector lives on D3 branes. We show how the interplay between different physical constraints from inflation, reheating, supersymmetry breaking and dark radiation, leads to distinct predictions for the nature of dark matter.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Chiral global embedding of Fibre Inflation with $\overline{\rm D3}$ uplift

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    Explicit construction of a chiral global embedding of Fibre Inflation with anti-D3 uplift on an h^{1,1}=4 K3-fibered Calabi-Yau, using magnetised D7-branes, a Whitney brane, and O3-planes at a conifold tip, with viabl...

  2. Spectator Axions in String Inflation and Primordial Black Holes

    hep-th 2026-07 conditional novelty 6.0

    In Fibre Inflation, spectator axions with f≲0.1 M_Pl leave the PBH power spectrum unchanged, while for f≳0.1 M_Pl and exponentially small non-perturbative prefactors they can raise P_R from 1.9e-4 to 3.5e-3 and enable...