Perturbative RG flows in AdS: an étude

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Main Authors: Lauria, Edoardo, Milam, Michael N., van Rees, Balt C.
Format: Preprint
Published: 2023
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author Lauria, Edoardo
Milam, Michael N.
van Rees, Balt C.
author_facet Lauria, Edoardo
Milam, Michael N.
van Rees, Balt C.
contents We discuss general properties of perturbative RG flows in AdS with a focus on the treatment of boundary conditions and infrared divergences. In contrast with flat-space boundary QFT, general covariance in AdS implies the absence of independent boundary flows. We illustrate how boundary correlation functions remain conformally covariant even if the bulk QFT has a scale. We apply our general discussion to the RG flow between consecutive unitary diagonal minimal models which is triggered by the $ϕ_{(1,3)}$ operator. For these theories we conjecture a flow diagram whose form is significantly simpler than that in flat-space boundary QFT. In several stand-alone appendices we discuss two-dimensional BCFTs in general and the minimal model BCFTs in particular. These include both an extensive review as well as the computation of several new BCFT correlation functions.
format Preprint
id arxiv_https___arxiv_org_abs_2309_10031
institution arXiv
publishDate 2023
record_format arxiv
spellingShingle Perturbative RG flows in AdS: an étude
Lauria, Edoardo
Milam, Michael N.
van Rees, Balt C.
High Energy Physics - Theory
Strongly Correlated Electrons
We discuss general properties of perturbative RG flows in AdS with a focus on the treatment of boundary conditions and infrared divergences. In contrast with flat-space boundary QFT, general covariance in AdS implies the absence of independent boundary flows. We illustrate how boundary correlation functions remain conformally covariant even if the bulk QFT has a scale. We apply our general discussion to the RG flow between consecutive unitary diagonal minimal models which is triggered by the $ϕ_{(1,3)}$ operator. For these theories we conjecture a flow diagram whose form is significantly simpler than that in flat-space boundary QFT. In several stand-alone appendices we discuss two-dimensional BCFTs in general and the minimal model BCFTs in particular. These include both an extensive review as well as the computation of several new BCFT correlation functions.
title Perturbative RG flows in AdS: an étude
topic High Energy Physics - Theory
Strongly Correlated Electrons
url https://arxiv.org/abs/2309.10031