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Snowmass White Paper: The Cosmological Bootstrap

by Daniel Baumann, Daniel Green, Austin Joyce, Enrico Pajer, Guilherme L. Pimentel, Charlotte Sleight, Massimo Taronna

Submission summary

Authors (as registered SciPost users): Guilherme L. Pimentel
Submission information
Preprint Link:  (pdf)
Date submitted: 2024-05-28 21:51
Submitted by: L. Pimentel, Guilherme
Submitted to: SciPost Physics Community Reports
Ontological classification
Academic field: Physics
  • Gravitation, Cosmology and Astroparticle Physics
  • High-Energy Physics - Theory
Approach: Theoretical


This white paper summarizes recent progress in the cosmological bootstrap, an approach to the study of the statistics of primordial fluctuations from consistency with unitarity, locality and symmetry assumptions. We review the key ideas of the bootstrap method, with an eye towards future directions and ambitions of the program. Focusing on recent progress involving de Sitter and quasi-de Sitter backgrounds, we highlight the role of singularities and unitarity in constraining the form of the correlators. We also discuss nonperturbative formulations of the bootstrap, connections to anti-de Sitter space, and potential implications for holography.

Current status:
In refereeing

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