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High order correlation functions for self interacting scalar field in de Sitter space

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arxiv astro-ph/0311422 v1 pith:RBM7JED2 submitted 2003-11-18 astro-ph gr-qchep-phhep-th

Francis Bernardeau , Tristan Brunier , Jean-Philippe Uzan This is my paper
classification astro-phgr-qchep-phhep-th
keywords correlationexpressionsfieldfunctionsinteractingorderscalarself
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We present the expressions of the three- and four-point correlation functions of a self interacting light scalar field in a de Sitter spacetime at tree order respectively for a cubic and a quartic potential. Exact expressions are derived and their limiting behaviour on super-horizon scales are presented. Their essential features are shown to be similar to those obtained in a classical approach.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. OpenAlex reports about 34 citations worldwide. Full citation record

  1. Cosmological Correlators in Gauge Theory and Gravity from EAdS

    hep-th 2025-09 conditional novelty 6.0 of 10

    Gauge and gravitational late-time correlators in de Sitter are mapped to EAdS Witten diagrams, with new Mellin-space propagators and a treatment of even boundary dimensions.

  2. From inflation to hot big bang -- a tutorial on cosmological perturbations

    hep-ph 2026-07 accept novelty 1.0 of 10

    A tutorial deriving cosmological perturbation equations from inflation through reheating, with explicit gauge-invariant computations and Python scripts.

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