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On soft limits of inflationary correlation functions

Open access
Assassi, Valentin, Baumann, Daniel, Green, Daniel·2012·Journal of Cosmology and Astroparticle Physics

Abstract

Soft limits of inflationary correlation functions are both observationally relevant and theoretically robust. Various theorems can be proven about them that are insensitive to detailed model-building assumptions. In this paper, we re-derive several of these theorems in a universal way. Our method makes manifest why soft limits are such an interesting probe of the spectrum of additional light fields during inflation. We illustrate these abstract results with a detailed case study of the soft limits of quasi-single-field inflation.

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Crossref · 10.1088/1475-7516/2012/11/047

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Metadata

Authors
Assassi, V., Baumann, D., & Green, D.
Venue
Journal of Cosmology and Astroparticle Physics
Published
2012-11-22
Volume
2012
Issue
11
Pages
047-047
ISSN
  • 1475-7508 (ISSN-L)
  • 1475-7516
OpenAlex
W2121179921
Cited by
302
References
2
FWCI
13.29
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: On soft limits of inflationary correlation functions. https://app.cochat.ai/papers/10.1088/1475-7516/2012/11/047
The paper
Assassi, V., Baumann, D., & Green, D. (2012). On soft limits of inflationary correlation functions. Journal of Cosmology and Astroparticle Physics. https://doi.org/10.1088/1475-7516/2012/11/047

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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.

Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.