Symmetry-resolved measures in quantum field theory: A short review

OA Castro-Alvaredo… - Modern Physics Letters B, 2025 - World Scientific
In this short review, we present the key definitions, ideas and techniques involved in the
study of symmetry resolved entanglement measures, with a focus on the symmetry resolved …

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 …

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 …

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 …

Entanglement entropy from form factors in -deformed integrable quantum field theories

OA Castro-Alvaredo, S Negro, F Sailis - Journal of High Energy Physics, 2023 - Springer
A bstract In two recent papers [1, 2] we have proposed a program of study which allows us to
compute the correlation functions of local and semi-local fields in generalised\(\textrm …

Symmetry-resolved modular correlation functions in free fermionic theories

G Di Giulio, J Erdmenger - Journal of High Energy Physics, 2023 - Springer
A bstract As a new ingredient for analyzing the fine structure of entanglement, we study the
symmetry resolution of the modular flow of U (1)-invariant operators in theories endowed …

Symmetry resolved entanglement of excited states in quantum field theory. Part III. Bosonic and fermionic negativity

L Capizzi, M Mazzoni, OA Castro-Alvaredo - Journal of High Energy …, 2023 - Springer
A bstract In two recent works, we studied the symmetry resolved Rényi entropies of quasi-
particle excited states in quantum field theory. We found that the entropies display many …

Symmetry-resolved entanglement in fermionic systems with dissipation

S Murciano, P Calabrese, V Alba - Journal of Statistical …, 2023 - iopscience.iop.org
We investigate symmetry-resolved entanglement in out-of-equilibrium fermionic systems
subject to gain and loss dissipation, which preserves the block-diagonal structure of the …