Large non-Gaussian halo bias from single field inflation
Journal Article
·
· Journal of Cosmology and Astroparticle Physics
- Institute for Gravitation and the Cosmos, The Pennsylvania State University, University Park, PA 16802 (United States)
We calculate Large Scale Structure observables for non-Gaussianity arising from non-Bunch-Davies initial states in single field inflation. These scenarios can have substantial primordial non-Gaussianity from squeezed (but observable) momentum configurations. They generate a term in the halo bias that may be more strongly scale-dependent than the contribution from the local ansatz. We also discuss theoretical considerations required to generate an observable signature.
- OSTI ID:
- 22279874
- Journal Information:
- Journal of Cosmology and Astroparticle Physics, Vol. 2012, Issue 09; Other Information: Country of input: International Atomic Energy Agency (IAEA); ISSN 1475-7516
- Country of Publication:
- United States
- Language:
- English
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