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2023

Light Fields during Inflation from BOSS and Future Galaxy Surveys

Green, Daniel, Guo, Yi, Han, Jiashu et al.

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Primordial non-Gaussianity generated by additional fields present during inflation offers a compelling observational target for galaxy surveys.

These fields are of significant theoretical interest since they offer a window into particle physics in the inflaton sector.
They also violate the single-field consistency conditions and induce a scale-dependent bias in the galaxy power spectrum.
In this paper, we explore this particular signal for light scalar fields and study the prospects for measuring it with galaxy surveys.

Light Fields during Inflation from BOSS and Future Galaxy Surveys · Around

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