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Testing multi-field inflation with LiteBIRD
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DOI：10.1088/1475-7516/2024/03/011.png)
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摘要
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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, where we specifically consider spectator models as representative examples. 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.
Keyword:
inflation
Inflation and CMBR theory
期刊
IF:
5.9
论文数:
1.3W
被引数:
4.7W
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