학술논문
Testing multi-field inflation with LiteBIRD
Document Type
Working Paper
Source
Subject
Language
Abstract
We investigate expected constraints on the primordial tensor power spectrum from the future cosmic microwave background polarization experiment LiteBIRD as a test of multi-field inflation. We argue that the measurements of the tensor-to-scalar ratio and the tensor spectral index, in combination with the constraints on the scalar spectral index from the Planck observation, are useful in testing multi-field inflation models. We also discuss implications for multi-field inflationary model building.
Comment: 31 pages, 6 figures
Comment: 31 pages, 6 figures