Flows in the Space of Interacting Chiral Boson Theories

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Main Authors: Ebert, Stephen, Ferko, Christian, Martin, Cian Luke, Tartaglino-Mazzucchelli, Gabriele
Format: Preprint
Published: 2024
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author Ebert, Stephen
Ferko, Christian
Martin, Cian Luke
Tartaglino-Mazzucchelli, Gabriele
author_facet Ebert, Stephen
Ferko, Christian
Martin, Cian Luke
Tartaglino-Mazzucchelli, Gabriele
contents We study interacting theories of $N$ left-moving and $\overline{N}$ right-moving Floreanini-Jackiw bosons in two dimensions. A parameterized family of such theories is shown to enjoy (non-manifest) Lorentz invariance if and only if its Lagrangian obeys a flow equation driven by a function of the energy-momentum tensor. We discuss the canonical quantization of such theories along classical stress tensor flows, focusing on the case of the root-$T \overline{T}$ deformation, where we obtain perturbative results for the deformed spectrum in a certain large-momentum limit. In the special case $N = \overline{N}$, we consider the quantum effective action for the root-$T \overline{T}$-deformed theory by expanding around a general classical background, and we find that the one-loop contribution vanishes for backgrounds with constant scalar gradients. Our analysis can also be interpreted via dual $U(1)$ Chern-Simons theories in three dimensions, which might be used to describe deformations of charged $\mathrm{AdS}_3$ black holes or quantum Hall systems.
format Preprint
id arxiv_https___arxiv_org_abs_2403_18242
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Flows in the Space of Interacting Chiral Boson Theories
Ebert, Stephen
Ferko, Christian
Martin, Cian Luke
Tartaglino-Mazzucchelli, Gabriele
High Energy Physics - Theory
Strongly Correlated Electrons
General Relativity and Quantum Cosmology
Mathematical Physics
We study interacting theories of $N$ left-moving and $\overline{N}$ right-moving Floreanini-Jackiw bosons in two dimensions. A parameterized family of such theories is shown to enjoy (non-manifest) Lorentz invariance if and only if its Lagrangian obeys a flow equation driven by a function of the energy-momentum tensor. We discuss the canonical quantization of such theories along classical stress tensor flows, focusing on the case of the root-$T \overline{T}$ deformation, where we obtain perturbative results for the deformed spectrum in a certain large-momentum limit. In the special case $N = \overline{N}$, we consider the quantum effective action for the root-$T \overline{T}$-deformed theory by expanding around a general classical background, and we find that the one-loop contribution vanishes for backgrounds with constant scalar gradients. Our analysis can also be interpreted via dual $U(1)$ Chern-Simons theories in three dimensions, which might be used to describe deformations of charged $\mathrm{AdS}_3$ black holes or quantum Hall systems.
title Flows in the Space of Interacting Chiral Boson Theories
topic High Energy Physics - Theory
Strongly Correlated Electrons
General Relativity and Quantum Cosmology
Mathematical Physics
url https://arxiv.org/abs/2403.18242