Journal
PHYSICAL REVIEW D
Volume 100, Issue 4, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.100.043543
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Funding
- Royal Society University Research Fellowship
- STFC [ST/P000762/1, ST/M503733/1]
- STFC [ST/P000762/1, ST/M503733/1] Funding Source: UKRI
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We study the contribution to the primordial curvature perturbation on observational scales generated by the reheating field in massless preheating. To do so, we use lattice simulations and a recent extension to the delta N formalism. The work demonstrates the functionality of these techniques for calculating the observational signatures of models in which nonperturbative reheating involves a light scalar field.
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