Symmetry resolved entanglement entropy of excited states in a CFT

L Capizzi, P Ruggiero… - Journal of Statistical …, 2020 - iopscience.iop.org
We report a throughout analysis of the entanglement entropies related to different symmetry
sectors in the low-lying primary excited states of a conformal field theory (CFT) with an …

Symmetry resolved relative entropies and distances in conformal field theory

L Capizzi, P Calabrese - Journal of High Energy Physics, 2021 - Springer
A bstract We develop a systematic approach to compute the subsystem trace distances and
relative entropies for subsystem reduced density matrices associated to excited states in …

Symmetry decomposition of relative entropies in conformal field theory

HH Chen - Journal of High Energy Physics, 2021 - Springer
A bstract We consider the symmetry resolution of relative entropies in the 1+ 1 dimensional
free massless compact boson conformal field theory (CFT) which presents an internal U (1) …

Generalized entanglement entropies in two-dimensional conformal field theory

S Murciano, P Calabrese, RM Konik - Journal of High Energy Physics, 2022 - Springer
A bstract We introduce and study generalized Rényi entropies defined through the traces of
products of Tr B (| Ψ i⟩⟨ Ψ j|) where∣ Ψ i⟩ are eigenstates of a two-dimensional conformal …

Symmetry-resolved Rényi fidelities and quantum phase transitions

G Parez - Physical Review B, 2022 - APS
We introduce a family of quantum Rényi fidelities and discuss their symmetry resolution. We
express the symmetry-resolved fidelities as Fourier transforms of charged fidelities, for which …

Looking at shadows of entanglement wedges

Y Kusuki, Y Suzuki, T Takayanagi… - Progress of Theoretical …, 2020 - academic.oup.com
We present a new method of deriving shapes of entanglement wedges directly from
conformal field theory (CFT) calculations. We point out that a reduced density matrix in …

Lattice Bisognano-Wichmann modular Hamiltonian in critical quantum spin chains

J Zhang, P Calabrese, M Dalmonte… - SciPost Physics …, 2020 - scipost.org
We carry out a comprehensive comparison between the exact modular Hamiltonian and the
lattice version of the Bisognano-Wichmann (BW) one in one-dimensional critical quantum …

Subsystem distance after a local operator quench

J Zhang, P Calabrese - Journal of High Energy Physics, 2020 - Springer
A bstract We investigate the time evolution of the subsystem trace distance and Schatten
distances after local operator quenches in two-dimensional conformal field theory (CFT) and …

Excited state Rényi entropy and subsystem distance in two-dimensional non-compact bosonic theory. Part II. Multi-particle states

J Zhang, MA Rajabpour - Journal of High Energy Physics, 2021 - Springer
A bstract We study the excited state Rényi entropy and subsystem Schatten distance in the
two-dimensional free massless non-compact bosonic field theory, which is a conformal field …

Excited state Rényi entropy and subsystem distance in two-dimensional non-compact bosonic theory. Part I. Single-particle states

J Zhang, MA Rajabpour - Journal of High Energy Physics, 2020 - Springer
A bstract We investigate the Rényi entropy of the excited states produced by the current and
its derivatives in the two-dimensional free massless non-compact bosonic theory, which is a …