PhysRevD.65.121301.pdf (67.99 kB)
Simplest curvaton model
journal contribution
posted on 2023-06-07, 19:04 authored by N Bartolo, Andrew LiddleWe analyze the simplest possible realization of the curvaton scenario, where a nearly scale-invariant spectrum of adiabatic perturbations is generated by conversion of an isocurvature perturbation generated during inflation, rather than the usual inflationary mechanism. We explicitly evaluate all the constraints on the model, under both the assumptions of prompt and delayed reheating, and we outline the viable parameter space.
History
Publication status
- Published
File Version
- Published version
Journal
Physical Review DISSN
1550-2368External DOI
Issue
12Volume
65Page range
1213011-1213015Pages
5.0Department affiliated with
- Physics and Astronomy Publications
Notes
Project undertaken with visiting PhD student. This was the first explicit model of the curvaton scenario for inflation, and clarified the role of different constraints on the scenario influencing subsequent model-building.Full text available
- Yes
Peer reviewed?
- Yes