Universal Behavior of Entanglement Entropies in Interface CFTs from General Holographic Spacetimes

Abstract

In previous work universal behavior was conjectured for the behavior of the logarithmic terms in the entanglement entropy of intervals in 1+1 dimensional interface conformal field theories (ICFTs). These putative universal terms were exhibited both in free field theories as well as a large class of holographic models. In this work we demonstrate that this same behavior in fact is realized in any holographic ICFT, significantly strengthening the case for the conjecture.

arXiv comment28 pages

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• Holographic Weak Measurement
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• Dissipation meets conformal interface in open quantum systems: How the relaxation rate is suppressed
• Entanglement C-functions of defects and interfaces in $\mathcal{N}=4$ supersymmetric Yang-Mills theory