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 …

Enhanced entanglement in the measurement-altered quantum Ising chain

A Paviglianiti, X Turkeshi, M Schirò, A Silva - Quantum, 2024 - quantum-journal.org
Understanding the influence of measurements on the properties of many-body systems is a
fundamental problem in quantum mechanics and for quantum technologies. This paper …

Entanglement Hamiltonians and the quasiparticle picture

F Rottoli, C Rylands, P Calabrese - arxiv preprint arxiv:2407.01730, 2024 - arxiv.org
The entanglement Hamiltonian (EH) provides the most comprehensive characterization of
bipartite entanglement in many-body quantum systems. Ground states of local Hamiltonians …

Thermal entanglement in conformal junctions

L Capizzi, A Rotaru - Journal of High Energy Physics, 2024 - Springer
A bstract We consider a quantum junction described by a 1+ 1-dimensional boundary
conformal field theory (BCFT). Our analysis focuses on correlations emerging at finite …

Entanglement Hamiltonian in the non-Hermitian SSH model

F Rottoli, M Fossati, P Calabrese - Journal of Statistical …, 2024 - iopscience.iop.org
Entanglement Hamiltonians provide the most comprehensive characterisation of
entanglement in extended quantum systems. A key result in unitary quantum field theories is …

Quasiparticle Picture for Entanglement Hamiltonians in Higher Dimensions

R Travaglino, C Rylands, P Calabrese - arxiv preprint arxiv:2412.01538, 2024 - arxiv.org
We employ the quasiparticle picture of entanglement evolution to obtain an effective
description for the out-of-equilibrium Entanglement Hamiltonian at the hydrodynamical scale …

Entanglement in many-body systems

F Rottoli - 2024 - iris.sissa.it
One of the most important predictions of quantum mechanics is the existence of quantum
entanglement. Since the inception of quantum theory, the study of entanglement has …