A CFT interpretation of cosmological correlation functions in \(\alpha\)-vacua in de-Sitter space

DOI10.1007/JHEP05(2023)111arXiv2206.08395OpenAlexW4379014763MaRDI QIDQ6163126

Author name not available (Why is that?)

Publication date: 26 June 2023

Published in: (Search for Journal in Brave)

Abstract: de-Sitter(dS) space allows for a generalized class of vacua, known as $alpha-$vacua, described by some parameters. The Bunch-Davies (BD) vacua is a point in this parameter space. The cosmological correlation function is mostly discussed in BD vacuum in four dimensions and can be interpreted as $CF{T}_3$ correlation function of certain operators. However, the correlation function in $alpha-$vacua takes a much more complicated form. In this paper, we give a simple prescription to compute correlation function in $alpha-$vacua in terms of correlation function of BD vacuum. We also show that the correlation function in the $alpha-$vacua can be related to three-dimensional CFT correlation functions if we relax the requirement of consistency with OPE limit. Relaxation of consistency with OPE limit can be naturally achieved in momentum space.

Full work available at URL: https://arxiv.org/abs/2206.08395

zbMATH Keywords

No records found.

Mathematics Subject Classification ID

No records found.

This page was built for publication: A CFT interpretation of cosmological correlation functions in \(\alpha\)-vacua in de-Sitter space

Report a bug (only for logged in users!)Click here to report a bug for this page (MaRDI item Q6163126)