Emergence of fluctuating hydrodynamics in chaotic quantum systems

JF Wienand, S Karch, A Impertro, C Schweizer… - Nature Physics, 2024 - nature.com
A fundamental principle of chaotic quantum dynamics is that local subsystems eventually
approach a thermal equilibrium state. The corresponding timescales increase with …

Nonequilibrium full counting statistics and symmetry-resolved entanglement from space-time duality

B Bertini, P Calabrese, M Collura, K Klobas… - Physical Review Letters, 2023 - APS
Owing to its probabilistic nature, a measurement process in quantum mechanics produces a
distribution of possible outcomes. This distribution—or its Fourier transform known as full …

Symmetry-resolved dynamical purification in synthetic quantum matter

V Vitale, A Elben, R Kueng, A Neven, J Carrasco… - SciPost Physics, 2022 - scipost.org
When a quantum system initialized in a product state is subjected to either coherent or
incoherent dynamics, the entropy of any of its connected partitions generically increases as …

Symmetry decomposition of negativity of massless free fermions

S Murciano, R Bonsignori, P Calabrese - SciPost Physics, 2021 - scipost.org
We consider the problem of symmetry decomposition of the entanglement negativity in free
fermionic systems. Rather than performing the standard partial transpose, we use the partial …

Quasiparticle dynamics of symmetry-resolved entanglement after a quench: Examples of conformal field theories and free fermions

G Parez, R Bonsignori, P Calabrese - Physical Review B, 2021 - APS
The time evolution of the entanglement entropy is a key concept to understand the structure
of a nonequilibrium quantum state. In a large class of models, such evolution can be …

Entanglement and symmetry resolution in two dimensional free quantum field theories

S Murciano, G Di Giulio, P Calabrese - Journal of High Energy Physics, 2020 - Springer
A bstract We present a thorough analysis of the entanglement entropies related to different
symmetry sectors of free quantum field theories (QFT) with an internal U (1) symmetry. We …

Exact quench dynamics of symmetry resolved entanglement in a free fermion chain

G Parez, R Bonsignori… - Journal of Statistical …, 2021 - iopscience.iop.org
The study of the entanglement dynamics plays a fundamental role in understanding the
behaviour of many-body quantum systems out of equilibrium. In the presence of a globally …

Symmetry resolved entanglement in integrable field theories via form factor bootstrap

DX Horváth, P Calabrese - Journal of High Energy Physics, 2020 - Springer
A bstract We consider the form factor bootstrap approach of integrable field theories to
derive matrix elements of composite branch-point twist fields associated with symmetry …

Symmetry-resolved Page curves

S Murciano, P Calabrese, L Piroli - Physical Review D, 2022 - APS
Given a statistical ensemble of quantum states, the corresponding Page curve quantifies the
average entanglement entropy associated with each possible spatial bipartition of the …

Symmetry-resolved entanglement entropy in Wess-Zumino-Witten models

P Calabrese, J Dubail, S Murciano - Journal of High Energy Physics, 2021 - Springer
A bstract We consider the problem of the decomposition of the Rényi entanglement
entropies in theories with a non-abelian symmetry by doing a thorough analysis of Wess …