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 …

Symmetry resolution of the computable cross-norm negativity of two disjoint intervals in the massless Dirac field theory

A Bruno, F Ares, S Murciano, P Calabrese - Journal of High Energy …, 2024 - Springer
A bstract We investigate how entanglement in the mixed state of a quantum field theory can
be described using the cross-computable norm or realignment (CCNR) criterion, employing …

More on symmetry resolved operator entanglement

S Murciano, J Dubail, P Calabrese - Journal of Physics A …, 2024 - iopscience.iop.org
The'operator entanglement'of a quantum operator O is a useful indicator of its complexity,
and, in one-dimension, of its approximability by matrix product operators. Here we focus on …

Multi-charged moments and symmetry-resolved Rényi entropy of free compact boson for multiple disjoint intervals

H Gaur, UA Yajnik - Journal of High Energy Physics, 2024 - Springer
A bstract We study multi-charged moments and symmetry-resolved Rényi entropy of free
compact boson for multiple disjoint intervals. The Rényi entropy evaluation involves …

Reflected entropy and Markov gap in Lifshitz theories

C Berthiere, B Chen, H Chen - Journal of High Energy Physics, 2023 - Springer
A bstract We study the reflected entropy in (1+ 1)-dimensional Lifshitz field theory whose
groundstate is described by a quantum mechanical model. Starting from tripartite Lifshitz …

Tripartite entanglement dynamics following a quantum quench

C Berthiere - arxiv preprint arxiv:2408.12533, 2024 - arxiv.org
We investigate the dynamics of multipartite entanglement after quenches from initial states
which generate multiplets of quasiparticle excitations beyond the usual pair structure. We …

Total and Symmetry resolved Entanglement spectra in some Fermionic CFTs from the BCFT approach

H Gaur - arxiv preprint arxiv:2402.07557, 2024 - arxiv.org
In this work, we study the universal total and symmetry-resolved entanglement spectra for a
single interval of some $2 $ d Fermionic CFTs using the Boundary Conformal Field theory …

Symmetry resolution in non-Lorentzian field theories

A Banerjee, R Basu, A Bhattacharyya… - Journal of High Energy …, 2024 - Springer
A bstract Starting from the computation of Symmetry Resolved Entanglement Entropy
(SREE) for boosted intervals in a two dimensional Conformal Field Theory, we compute the …

Multi wavefunction overlap and multi entropy for topological ground states in (2+ 1) dimensions

B Liu, J Zhang, S Ohyama, Y Kusuki, S Ryu - arxiv preprint arxiv …, 2024 - arxiv.org
Multi-wavefunction overlaps--generalizations of the quantum mechanical inner product for
more than two quantum many-body states--are valuable tools for studying many-body …

Multi-invariants and Bulk Replica Symmetry

A Gadde, J Harper, V Krishna - arxiv preprint arxiv:2411.00935, 2024 - arxiv.org
In this paper, we analyze the question of replica symmetry in the bulk for multi-partite
entanglement measures in the vacuum state of two dimensional holographic CFTs. We first …