Entanglement asymmetry in the ordered phase of many-body systems: the Ising field theory

L Capizzi, M Mazzoni - Journal of High Energy Physics, 2023 - Springer
A bstract Global symmetries of quantum many-body systems can be spontaneously broken.
Whenever this mechanism happens, the ground state is degenerate and one encounters an …

Symmetry-resolved entanglement entropy, spectra & boundary conformal field theory

Y Kusuki, S Murciano, H Ooguri, S Pal - Journal of High Energy Physics, 2023 - Springer
A bstract We perform a comprehensive analysis of the symmetry-resolved (SR)
entanglement entropy (EE) for one single interval in the ground state of a 1+ 1D conformal …

Symmetry-resolved entanglement in critical non-Hermitian systems

M Fossati, F Ares, P Calabrese - Physical Review B, 2023 - APS
The study of entanglement in the symmetry sectors of a theory has recently attracted a lot of
attention since it provides better understanding of some aspects of quantum many-body …

Charged moments in W3 higher spin holography

S Zhao, C Northe, K Weisenberger, R Meyer - Journal of High Energy …, 2022 - Springer
A bstract We consider the charged moments in SL (3, ℝ) higher spin holography, as well as
in the dual two-dimensional conformal field theory with W 3 symmetry. For the vacuum state …

Non-equilibrium entanglement asymmetry for discrete groups: the example of the XY spin chain

F Ferro, F Ares, P Calabrese - Journal of Statistical Mechanics …, 2024 - iopscience.iop.org
Entanglement asymmetry is a novel quantity that, using entanglement methods, measures
how much a symmetry is broken in a part of an extended quantum system. So far, it has only …

Dynamics of charge-imbalance-resolved entanglement negativity after a quench in a free-fermion model

G Parez, R Bonsignori… - Journal of Statistical …, 2022 - iopscience.iop.org
The presence of a global internal symmetry in a quantum many-body system is reflected in
the fact that the entanglement between its subparts is endowed with an internal structure …

Symmetry-resolved entanglement for excited states and two entangling intervals in AdS3/CFT2

K Weisenberger, S Zhao, C Northe, R Meyer - Journal of High Energy …, 2021 - Springer
A bstract We test the proposal of [1] for the holographic computation of the charged moments
and the resulting symmetry-resolved entanglement entropy in different excited states, as well …

Entanglement resolution of free Dirac fermions on a torus

A Foligno, S Murciano, P Calabrese - Journal of High Energy Physics, 2023 - Springer
A bstract Whenever a system possesses a conserved charge, the density matrix splits into
eigenspaces associated to the each symmetry sector and we can access the entanglement …

Symmetry-resolved entanglement in a long-range free-fermion chain

F Ares, S Murciano, P Calabrese - Journal of Statistical …, 2022 - iopscience.iop.org
We investigate the symmetry resolution of entanglement in the presence of long-range
couplings. To this end, we study the symmetry-resolved entanglement entropy in the ground …

On the boundary conformal field theory approach to symmetry-resolved entanglement

G Di Giulio, R Meyer, C Northe, H Scheppach… - SciPost Physics …, 2023 - scipost.org
We study the symmetry resolution of the entanglement entropy of an interval in two-
dimensional conformal field theories (CFTs), by relating the bipartition to the geometry of an …