Journal
PHYSICAL REVIEW D
Volume 89, Issue 6, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.89.063540
Keywords
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Funding
- National Science Foundation [1066293]
- Max-Planck-Gesellschaft
- Korea Ministry of Education, Science and Technology, Gyeongsangbuk-Do
- Pohang City
- National Research Foundation of Korea [2013R1A1A1006701]
- VICI grant of the Netherlands Organization for Scientific Research (NWO)
- Netherlands Organization for Scientific Reseach/Ministry of Science and Education (NWO/OCW)
- Foundation for Research into Fundamental Matter (FOM)
- DOE [DE-FG-02-95ER40896]
- National Research Foundation of Korea [APCTP, 2013R1A1A1006701] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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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.
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