Lattice realizations of topological defects in the critical (1+ 1)-d three-state Potts model

M Sinha, F Yan, L Grans-Samuelsson, A Roy… - Journal of High Energy …, 2024 - Springer
A bstract Topological/perfectly-transmissive defects play a fundamental role in the analysis
of the symmetries of two dimensional conformal field theories (CFTs). In the present work …

Double holography of entangled universes

RC Myers, SM Ruan, T Uga** - Journal of High Energy Physics, 2024 - Springer
A bstract We employ double holography to examine a system of two entangled gravitating
universes that live on two codimension-one branes in an asymptotically AdS 3 spacetime …

Universal bound on effective central charge and its saturation

A Karch, Y Kusuki, H Ooguri, HY Sun, M Wang - Physical review letters, 2024 - APS
The effective central charge (denoted by c eff) is a measure of entanglement through a
conformal interface, while the transmission coefficient (encoded in the coefficient c LR of the …

Universality of effective central charge in interface CFTs

A Karch, Y Kusuki, H Ooguri, HY Sun… - Journal of High Energy …, 2023 - Springer
A bstract When an interface connects two CFTs, the entanglement entropy between the two
CFTs is determined by a quantity called the effective central charge. The effective central …

Holographic reflected entropy and islands in interface CFTs

JK Basak, D Basu, V Malvimat, H Parihar… - Journal of High Energy …, 2024 - Springer
A bstract We investigate the reflected entropy for various mixed state configurations in the
two dimensional holographic conformal field theories sharing a common interface (ICFTs). In …

CFT and lattice correlators near an RG domain wall between minimal models

CV Cogburn, AL Fitzpatrick, H Geng - SciPost Physics Core, 2024 - scipost.org
Conformal interfaces separating two conformal field theories (CFTs) provide maps between
different CFTs, and naturally exist in nature as domain walls between different phases. One …

Holographic weak measurement

X Sun, SK Jian - Journal of High Energy Physics, 2023 - Springer
A bstract In this paper, we study a holographic description of weak measurements in
conformal field theories (CFTs). Weak measurements can be viewed as a soft projection that …

On AdS3/ICFT2 with a dynamical scalar field located on the brane

Y Liu, HD Lyu, CY Wang - Journal of High Energy Physics, 2024 - Springer
A bstract We exploit the holographic duality to study the system of a one-dimensional
interface contacting two semi-infinite two-dimensional CFTs. Central to our investigation is …

Universal time evolution of string order parameter in quantum critical systems with boundary invertible or non-invertible symmetry breaking

R Barad, Q Tang, W Zhu, X Wen - arxiv preprint arxiv:2410.16402, 2024 - arxiv.org
The global symmetry, either invertible or non-invertible, has been extensively studied in two
dimensional conformal field theories in recent years. When the theory is defined on a …

Holographic dual of defect CFT with corner contributions

X Sun, SK Jian - arxiv preprint arxiv:2407.19003, 2024 - arxiv.org
We study defect CFT within the framework of holographic duality, emphasizing the impact of
corner contributions. We model distinct conformal defects using interface branes that differ in …