Correlating correlation functions of primordial perturbations

Jinn-Ouk Gong, Koenraad Schalm, and Gary Shiu

Phys. Rev. D 89, 063540 – Published 28 March 2014

Abstract

We explore the correlations between correlation functions of the primordial curvature perturbation produced during inflation. We find that for general single field inflation, other than the source terms which depend on the model details, higher order correlation functions are characterized by the power spectrum, its spectral index and running. The correlation between the bispectrum and power spectrum is presented as an explicit example of our systematic approach.

Received 27 January 2014

DOI:https://doi.org/10.1103/PhysRevD.89.063540

Authors & Affiliations

Jinn-Ouk Gong^1,2, Koenraad Schalm^3,4, and Gary Shiu^5,6

¹Asia Pacific Center for Theoretical Physics, Pohang 790-784, Korea
²Department of Physics, Pohang University of Science and Technology, Pohang 790-784, Korea
³Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA
⁴Instituut-Lorentz for Theoretical Physics, Universiteit Leiden, 2333 CA Leiden, The Netherlands
⁵Department of Physics, University of Wisconsin, Madison, Wisconsin 53706, USA
⁶Center for Fundamental Physics and Institute for Advanced Study, Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong

Article Text (Subscription Required)

Click to Expand

References (Subscription Required)

Click to Expand

Issue

Vol. 89, Iss. 6 — 15 March 2014

Reuse & Permissions

Access Options

Author publication services for translation and copyediting assistance advertisement

Physical Review D

covering particles, fields, gravitation, and cosmology