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Holographic entanglement entropy in quiver theories

Dimitris Chatzis, Ali Fatemiabhari Orcid Logo, Mauro Giliberti Orcid Logo, Madison Hammond Orcid Logo

Journal of High Energy Physics, Volume: 2026, Issue: 5, Start page: 62

Swansea University Authors: Dimitris Chatzis, Madison Hammond Orcid Logo

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DOI (Published version): 10.1007/jhep05(2026)062

Abstract

This work presents a study of the entanglement entropy (EE) in a class of four-dimensional N = 1 linear quiver SCFTs deformed by the presence of a VEV. We review the holographic backgrounds dual to these theories, and calculate the EE for different Ryu-Takayanagi embeddings. We allow the embeddings...

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Published in: Journal of High Energy Physics
ISSN: 1029-8479
Published: Springer Nature 2026
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URI: https://cronfa.swan.ac.uk/Record/cronfa72111
Abstract: This work presents a study of the entanglement entropy (EE) in a class of four-dimensional N = 1 linear quiver SCFTs deformed by the presence of a VEV. We review the holographic backgrounds dual to these theories, and calculate the EE for different Ryu-Takayanagi embeddings. We allow the embeddings to explore, in addition to the usual spatial direction, the internal coordinate z, associated with the quiver degrees of freedom. Via the numerical optimization of splines on triangulations, we find the minimal configuration and the value of the EE for the different embeddings and quiver parameters. Our results agree with previous studies showcasing phase transitions in the EE. We also provide novel results illuminating the dependence of the EE on the fundamental and gauge degrees of freedom, signaling partial deconfinement, which are worthy of further study.
Keywords: AdS-CFT Correspondence; Gauge-Gravity Correspondence
College: Faculty of Science and Engineering
Funders: The work of M.G. was funded by the European Union — Next Generation EU — National Recovery and Resilience Plan (NRRP) — M4C2 CN1 Spoke2 — Research Programme CN00000013 “National Centre for HPC, Big Data and Quantum Computing” — CUP B83C22002830001. The work of D.C. and M.H. has been supported by the STFC consolidated grant ST/Y509644-1.
Issue: 5
Start Page: 62

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